diff --git a/merlion/models/anomaly/change_point/__init__.py b/merlion/models/anomaly/change_point/__init__.py
index 6e28f3dcd..b2b72b95c 100644
--- a/merlion/models/anomaly/change_point/__init__.py
+++ b/merlion/models/anomaly/change_point/__init__.py
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2021 salesforce.com, inc.
+# Copyright (c) 2023 salesforce.com, inc.
 # All rights reserved.
 # SPDX-License-Identifier: BSD-3-Clause
 # For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/BSD-3-Clause
diff --git a/merlion/models/anomaly/forecast_based/arima.py b/merlion/models/anomaly/forecast_based/arima.py
index 2e8188e1b..f7539908d 100644
--- a/merlion/models/anomaly/forecast_based/arima.py
+++ b/merlion/models/anomaly/forecast_based/arima.py
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2021 salesforce.com, inc.
+# Copyright (c) 2023 salesforce.com, inc.
 # All rights reserved.
 # SPDX-License-Identifier: BSD-3-Clause
 # For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/BSD-3-Clause
diff --git a/merlion/models/anomaly/forecast_based/ets.py b/merlion/models/anomaly/forecast_based/ets.py
index 4d2de91d3..fff0b7c17 100644
--- a/merlion/models/anomaly/forecast_based/ets.py
+++ b/merlion/models/anomaly/forecast_based/ets.py
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2021 salesforce.com, inc.
+# Copyright (c) 2023 salesforce.com, inc.
 # All rights reserved.
 # SPDX-License-Identifier: BSD-3-Clause
 # For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/BSD-3-Clause
diff --git a/merlion/models/anomaly/forecast_based/sarima.py b/merlion/models/anomaly/forecast_based/sarima.py
index a92b0e607..0c7aeeb9e 100644
--- a/merlion/models/anomaly/forecast_based/sarima.py
+++ b/merlion/models/anomaly/forecast_based/sarima.py
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2021 salesforce.com, inc.
+# Copyright (c) 2023 salesforce.com, inc.
 # All rights reserved.
 # SPDX-License-Identifier: BSD-3-Clause
 # For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/BSD-3-Clause
diff --git a/merlion/models/ensemble/__init__.py b/merlion/models/ensemble/__init__.py
index f054705cd..64121d30e 100644
--- a/merlion/models/ensemble/__init__.py
+++ b/merlion/models/ensemble/__init__.py
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2021 salesforce.com, inc.
+# Copyright (c) 2023 salesforce.com, inc.
 # All rights reserved.
 # SPDX-License-Identifier: BSD-3-Clause
 # For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/BSD-3-Clause
diff --git a/merlion/post_process/base.py b/merlion/post_process/base.py
index cc81a8b6a..14d21ec2d 100644
--- a/merlion/post_process/base.py
+++ b/merlion/post_process/base.py
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2021 salesforce.com, inc.
+# Copyright (c) 2023 salesforce.com, inc.
 # All rights reserved.
 # SPDX-License-Identifier: BSD-3-Clause
 # For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/BSD-3-Clause
diff --git a/merlion/post_process/calibrate.py b/merlion/post_process/calibrate.py
index b2c0d9603..44c0b71af 100644
--- a/merlion/post_process/calibrate.py
+++ b/merlion/post_process/calibrate.py
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2021 salesforce.com, inc.
+# Copyright (c) 2023 salesforce.com, inc.
 # All rights reserved.
 # SPDX-License-Identifier: BSD-3-Clause
 # For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/BSD-3-Clause
diff --git a/merlion/post_process/factory.py b/merlion/post_process/factory.py
index 78e3c51a3..e2216ddc8 100644
--- a/merlion/post_process/factory.py
+++ b/merlion/post_process/factory.py
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2021 salesforce.com, inc.
+# Copyright (c) 2023 salesforce.com, inc.
 # All rights reserved.
 # SPDX-License-Identifier: BSD-3-Clause
 # For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/BSD-3-Clause
diff --git a/merlion/post_process/sequence.py b/merlion/post_process/sequence.py
index 4a3e5f13d..a39b533f9 100644
--- a/merlion/post_process/sequence.py
+++ b/merlion/post_process/sequence.py
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2021 salesforce.com, inc.
+# Copyright (c) 2023 salesforce.com, inc.
 # All rights reserved.
 # SPDX-License-Identifier: BSD-3-Clause
 # For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/BSD-3-Clause
diff --git a/merlion/post_process/threshold.py b/merlion/post_process/threshold.py
index 7ed70a534..522f1773b 100644
--- a/merlion/post_process/threshold.py
+++ b/merlion/post_process/threshold.py
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2021 salesforce.com, inc.
+# Copyright (c) 2023 salesforce.com, inc.
 # All rights reserved.
 # SPDX-License-Identifier: BSD-3-Clause
 # For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/BSD-3-Clause
diff --git a/merlion/transform/bound.py b/merlion/transform/bound.py
index 390ea85ca..86af6764a 100644
--- a/merlion/transform/bound.py
+++ b/merlion/transform/bound.py
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2021 salesforce.com, inc.
+# Copyright (c) 2023 salesforce.com, inc.
 # All rights reserved.
 # SPDX-License-Identifier: BSD-3-Clause
 # For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/BSD-3-Clause
diff --git a/merlion/utils/resample.py b/merlion/utils/resample.py
index d1e76f002..2478539d0 100644
--- a/merlion/utils/resample.py
+++ b/merlion/utils/resample.py
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2022 salesforce.com, inc.
+# Copyright (c) 2023 salesforce.com, inc.
 # All rights reserved.
 # SPDX-License-Identifier: BSD-3-Clause
 # For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/BSD-3-Clause
@@ -152,7 +152,7 @@ def infer_granularity(time_stamps, return_offset=False):
         return (freq, offset) if return_offset else freq
 
     # Otherwise, start with the most commonly occurring timedelta
-    dt = pd.to_timedelta(min(scipy.stats.mode(orig_t[1:] - orig_t[:-1], axis=None)[0]))
+    dt = pd.to_timedelta(scipy.stats.mode(orig_t[1:] - orig_t[:-1], axis=None)[0].item())
 
     # Check if the data could be sampled at a k-monthly granularity.
     candidate_freqs = [dt]
diff --git a/setup.py b/setup.py
index b785a070e..50af63fcc 100644
--- a/setup.py
+++ b/setup.py
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2022 salesforce.com, inc.
+# Copyright (c) 2023 salesforce.com, inc.
 # All rights reserved.
 # SPDX-License-Identifier: BSD-3-Clause
 # For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/BSD-3-Clause
@@ -47,7 +47,7 @@ def read_file(fname):
 
 setup(
     name="salesforce-merlion",
-    version="2.0.0",
+    version="2.0.1",
     author=", ".join(read_file("AUTHORS.md").split("\n")),
     author_email="abhatnagar@salesforce.com",
     description="Merlion: A Machine Learning Framework for Time Series Intelligence",
diff --git a/tests/anomaly/__init__.py b/tests/anomaly/__init__.py
index f34b13dbf..5b913d9ad 100644
--- a/tests/anomaly/__init__.py
+++ b/tests/anomaly/__init__.py
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2021 salesforce.com, inc.
+# Copyright (c) 2023 salesforce.com, inc.
 # All rights reserved.
 # SPDX-License-Identifier: BSD-3-Clause
 # For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/BSD-3-Clause
diff --git a/tests/anomaly/forecast_based/__init__.py b/tests/anomaly/forecast_based/__init__.py
index f34b13dbf..5b913d9ad 100644
--- a/tests/anomaly/forecast_based/__init__.py
+++ b/tests/anomaly/forecast_based/__init__.py
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2021 salesforce.com, inc.
+# Copyright (c) 2023 salesforce.com, inc.
 # All rights reserved.
 # SPDX-License-Identifier: BSD-3-Clause
 # For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/BSD-3-Clause
diff --git a/tests/anomaly/forecast_based/test_arima.py b/tests/anomaly/forecast_based/test_arima.py
index 1b1151d8f..ddb442bee 100644
--- a/tests/anomaly/forecast_based/test_arima.py
+++ b/tests/anomaly/forecast_based/test_arima.py
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2022 salesforce.com, inc.
+# Copyright (c) 2023 salesforce.com, inc.
 # All rights reserved.
 # SPDX-License-Identifier: BSD-3-Clause
 # For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/BSD-3-Clause
diff --git a/tests/anomaly/forecast_based/test_mses.py b/tests/anomaly/forecast_based/test_mses.py
index 4e163c663..25766a4ac 100644
--- a/tests/anomaly/forecast_based/test_mses.py
+++ b/tests/anomaly/forecast_based/test_mses.py
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2022 salesforce.com, inc.
+# Copyright (c) 2023 salesforce.com, inc.
 # All rights reserved.
 # SPDX-License-Identifier: BSD-3-Clause
 # For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/BSD-3-Clause
diff --git a/tests/anomaly/forecast_based/test_prophet.py b/tests/anomaly/forecast_based/test_prophet.py
index 59d53b93c..43d65712d 100644
--- a/tests/anomaly/forecast_based/test_prophet.py
+++ b/tests/anomaly/forecast_based/test_prophet.py
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2022 salesforce.com, inc.
+# Copyright (c) 2023 salesforce.com, inc.
 # All rights reserved.
 # SPDX-License-Identifier: BSD-3-Clause
 # For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/BSD-3-Clause
diff --git a/tests/anomaly/forecast_based/test_sarima.py b/tests/anomaly/forecast_based/test_sarima.py
index 4877d9e65..4679da590 100644
--- a/tests/anomaly/forecast_based/test_sarima.py
+++ b/tests/anomaly/forecast_based/test_sarima.py
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2022 salesforce.com, inc.
+# Copyright (c) 2023 salesforce.com, inc.
 # All rights reserved.
 # SPDX-License-Identifier: BSD-3-Clause
 # For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/BSD-3-Clause
diff --git a/tests/anomaly/multivariate/test_autoencoder.py b/tests/anomaly/multivariate/test_autoencoder.py
index c68994181..381d1e9d9 100644
--- a/tests/anomaly/multivariate/test_autoencoder.py
+++ b/tests/anomaly/multivariate/test_autoencoder.py
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2021 salesforce.com, inc.
+# Copyright (c) 2023 salesforce.com, inc.
 # All rights reserved.
 # SPDX-License-Identifier: BSD-3-Clause
 # For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/BSD-3-Clause
diff --git a/tests/anomaly/multivariate/test_dagmm.py b/tests/anomaly/multivariate/test_dagmm.py
index 158d4c0a0..f4860d84a 100644
--- a/tests/anomaly/multivariate/test_dagmm.py
+++ b/tests/anomaly/multivariate/test_dagmm.py
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2021 salesforce.com, inc.
+# Copyright (c) 2023 salesforce.com, inc.
 # All rights reserved.
 # SPDX-License-Identifier: BSD-3-Clause
 # For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/BSD-3-Clause
diff --git a/tests/anomaly/multivariate/test_lstmed.py b/tests/anomaly/multivariate/test_lstmed.py
index 65937f412..bc5502ac6 100644
--- a/tests/anomaly/multivariate/test_lstmed.py
+++ b/tests/anomaly/multivariate/test_lstmed.py
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2021 salesforce.com, inc.
+# Copyright (c) 2023 salesforce.com, inc.
 # All rights reserved.
 # SPDX-License-Identifier: BSD-3-Clause
 # For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/BSD-3-Clause
diff --git a/tests/anomaly/multivariate/test_vae.py b/tests/anomaly/multivariate/test_vae.py
index b346acd79..f86214772 100644
--- a/tests/anomaly/multivariate/test_vae.py
+++ b/tests/anomaly/multivariate/test_vae.py
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2022 salesforce.com, inc.
+# Copyright (c) 2023 salesforce.com, inc.
 # All rights reserved.
 # SPDX-License-Identifier: BSD-3-Clause
 # For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/BSD-3-Clause
diff --git a/tests/anomaly/test_anom_ensemble.py b/tests/anomaly/test_anom_ensemble.py
index e91db3008..34ed9b50e 100644
--- a/tests/anomaly/test_anom_ensemble.py
+++ b/tests/anomaly/test_anom_ensemble.py
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2022 salesforce.com, inc.
+# Copyright (c) 2023 salesforce.com, inc.
 # All rights reserved.
 # SPDX-License-Identifier: BSD-3-Clause
 # For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/BSD-3-Clause
diff --git a/tests/anomaly/test_dbl.py b/tests/anomaly/test_dbl.py
index 130219e18..a53fd2dda 100644
--- a/tests/anomaly/test_dbl.py
+++ b/tests/anomaly/test_dbl.py
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2022 salesforce.com, inc.
+# Copyright (c) 2023 salesforce.com, inc.
 # All rights reserved.
 # SPDX-License-Identifier: BSD-3-Clause
 # For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/BSD-3-Clause
diff --git a/tests/anomaly/test_default.py b/tests/anomaly/test_default.py
index 596e393bd..5d435a28a 100644
--- a/tests/anomaly/test_default.py
+++ b/tests/anomaly/test_default.py
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2022 salesforce.com, inc.
+# Copyright (c) 2023 salesforce.com, inc.
 # All rights reserved.
 # SPDX-License-Identifier: BSD-3-Clause
 # For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/BSD-3-Clause
diff --git a/tests/anomaly/test_dpad.py b/tests/anomaly/test_dpad.py
index f917e988c..b36621571 100644
--- a/tests/anomaly/test_dpad.py
+++ b/tests/anomaly/test_dpad.py
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2021 salesforce.com, inc.
+# Copyright (c) 2023 salesforce.com, inc.
 # All rights reserved.
 # SPDX-License-Identifier: BSD-3-Clause
 # For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/BSD-3-Clause
diff --git a/tests/anomaly/test_isolation_forest.py b/tests/anomaly/test_isolation_forest.py
index 89a060549..5b6c551e8 100644
--- a/tests/anomaly/test_isolation_forest.py
+++ b/tests/anomaly/test_isolation_forest.py
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2022 salesforce.com, inc.
+# Copyright (c) 2023 salesforce.com, inc.
 # All rights reserved.
 # SPDX-License-Identifier: BSD-3-Clause
 # For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/BSD-3-Clause
diff --git a/tests/anomaly/test_random_cut_forest.py b/tests/anomaly/test_random_cut_forest.py
index 7ad6e0665..f9eaf67f2 100644
--- a/tests/anomaly/test_random_cut_forest.py
+++ b/tests/anomaly/test_random_cut_forest.py
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2022 salesforce.com, inc.
+# Copyright (c) 2023 salesforce.com, inc.
 # All rights reserved.
 # SPDX-License-Identifier: BSD-3-Clause
 # For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/BSD-3-Clause
diff --git a/tests/anomaly/test_spectral_residual.py b/tests/anomaly/test_spectral_residual.py
index d6975ac05..837ae046d 100644
--- a/tests/anomaly/test_spectral_residual.py
+++ b/tests/anomaly/test_spectral_residual.py
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2022 salesforce.com, inc.
+# Copyright (c) 2023 salesforce.com, inc.
 # All rights reserved.
 # SPDX-License-Identifier: BSD-3-Clause
 # For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/BSD-3-Clause
diff --git a/tests/anomaly/test_stat_threshold.py b/tests/anomaly/test_stat_threshold.py
index ea8ef74c0..8df8c2eab 100644
--- a/tests/anomaly/test_stat_threshold.py
+++ b/tests/anomaly/test_stat_threshold.py
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2022 salesforce.com, inc.
+# Copyright (c) 2023 salesforce.com, inc.
 # All rights reserved.
 # SPDX-License-Identifier: BSD-3-Clause
 # For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/BSD-3-Clause
diff --git a/tests/anomaly/test_windstats.py b/tests/anomaly/test_windstats.py
index 28b11fb1d..5709af20f 100644
--- a/tests/anomaly/test_windstats.py
+++ b/tests/anomaly/test_windstats.py
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2022 salesforce.com, inc.
+# Copyright (c) 2023 salesforce.com, inc.
 # All rights reserved.
 # SPDX-License-Identifier: BSD-3-Clause
 # For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/BSD-3-Clause
diff --git a/tests/anomaly/test_zms.py b/tests/anomaly/test_zms.py
index 39dcf7cb3..1729f79eb 100644
--- a/tests/anomaly/test_zms.py
+++ b/tests/anomaly/test_zms.py
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2022 salesforce.com, inc.
+# Copyright (c) 2023 salesforce.com, inc.
 # All rights reserved.
 # SPDX-License-Identifier: BSD-3-Clause
 # For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/BSD-3-Clause
diff --git a/tests/change_point/__init__.py b/tests/change_point/__init__.py
index f34b13dbf..5b913d9ad 100644
--- a/tests/change_point/__init__.py
+++ b/tests/change_point/__init__.py
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2021 salesforce.com, inc.
+# Copyright (c) 2023 salesforce.com, inc.
 # All rights reserved.
 # SPDX-License-Identifier: BSD-3-Clause
 # For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/BSD-3-Clause
diff --git a/tests/change_point/test_bocpd.py b/tests/change_point/test_bocpd.py
index 7f2f81fdf..6a7ee6b74 100644
--- a/tests/change_point/test_bocpd.py
+++ b/tests/change_point/test_bocpd.py
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2021 salesforce.com, inc.
+# Copyright (c) 2023 salesforce.com, inc.
 # All rights reserved.
 # SPDX-License-Identifier: BSD-3-Clause
 # For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/BSD-3-Clause
diff --git a/tests/change_point/test_conj_prior.py b/tests/change_point/test_conj_prior.py
index 923ff5f66..a761452f4 100644
--- a/tests/change_point/test_conj_prior.py
+++ b/tests/change_point/test_conj_prior.py
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2021 salesforce.com, inc.
+# Copyright (c) 2023 salesforce.com, inc.
 # All rights reserved.
 # SPDX-License-Identifier: BSD-3-Clause
 # For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/BSD-3-Clause
diff --git a/tests/evaluate/__init__.py b/tests/evaluate/__init__.py
index f34b13dbf..5b913d9ad 100644
--- a/tests/evaluate/__init__.py
+++ b/tests/evaluate/__init__.py
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2021 salesforce.com, inc.
+# Copyright (c) 2023 salesforce.com, inc.
 # All rights reserved.
 # SPDX-License-Identifier: BSD-3-Clause
 # For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/BSD-3-Clause
diff --git a/tests/evaluate/test_eval_anomaly.py b/tests/evaluate/test_eval_anomaly.py
index 63b4f6b5c..86daf915d 100644
--- a/tests/evaluate/test_eval_anomaly.py
+++ b/tests/evaluate/test_eval_anomaly.py
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2022 salesforce.com, inc.
+# Copyright (c) 2023 salesforce.com, inc.
 # All rights reserved.
 # SPDX-License-Identifier: BSD-3-Clause
 # For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/BSD-3-Clause
diff --git a/tests/evaluate/test_eval_forecast.py b/tests/evaluate/test_eval_forecast.py
index 163952fdf..c8d73f53e 100644
--- a/tests/evaluate/test_eval_forecast.py
+++ b/tests/evaluate/test_eval_forecast.py
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2022 salesforce.com, inc.
+# Copyright (c) 2023 salesforce.com, inc.
 # All rights reserved.
 # SPDX-License-Identifier: BSD-3-Clause
 # For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/BSD-3-Clause
diff --git a/tests/forecast/__init__.py b/tests/forecast/__init__.py
index f34b13dbf..5b913d9ad 100644
--- a/tests/forecast/__init__.py
+++ b/tests/forecast/__init__.py
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2021 salesforce.com, inc.
+# Copyright (c) 2023 salesforce.com, inc.
 # All rights reserved.
 # SPDX-License-Identifier: BSD-3-Clause
 # For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/BSD-3-Clause
diff --git a/tests/forecast/test_autoets.py b/tests/forecast/test_autoets.py
index b5cf09dc3..2ca1c156b 100644
--- a/tests/forecast/test_autoets.py
+++ b/tests/forecast/test_autoets.py
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2022 salesforce.com, inc.
+# Copyright (c) 2023 salesforce.com, inc.
 # All rights reserved.
 # SPDX-License-Identifier: BSD-3-Clause
 # For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/BSD-3-Clause
diff --git a/tests/forecast/test_autosarima.py b/tests/forecast/test_autosarima.py
index 3f06d23c6..6a1ee9a7f 100644
--- a/tests/forecast/test_autosarima.py
+++ b/tests/forecast/test_autosarima.py
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2022 salesforce.com, inc.
+# Copyright (c) 2023 salesforce.com, inc.
 # All rights reserved.
 # SPDX-License-Identifier: BSD-3-Clause
 # For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/BSD-3-Clause
diff --git a/tests/forecast/test_baggingtrees.py b/tests/forecast/test_baggingtrees.py
index a3adf8313..ad74172e8 100644
--- a/tests/forecast/test_baggingtrees.py
+++ b/tests/forecast/test_baggingtrees.py
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2022 salesforce.com, inc.
+# Copyright (c) 2023 salesforce.com, inc.
 # All rights reserved.
 # SPDX-License-Identifier: BSD-3-Clause
 # For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/BSD-3-Clause
@@ -72,11 +72,7 @@ def test_forecast_multi(self):
         # self.assertAlmostEqual(rmse, 0.08, delta=0.1)
 
         # Check look-ahead RMSE using time_series_prev
-        dataset = RollingWindowDataset(self.test_data,
-                                       self.i,
-                                       self.maxlags,
-                                       self.max_forecast_steps,
-                                       ts_index=True)
+        dataset = RollingWindowDataset(self.test_data, self.i, self.maxlags, self.max_forecast_steps, ts_index=True)
         testing_instance, testing_label = next(iter(dataset))
         pred, _ = self.model.forecast(testing_label.time_stamps, testing_instance)
         lookahead_rmse = ForecastMetric.RMSE.value(testing_label, pred, target_seq_index=self.i)
@@ -102,11 +98,7 @@ def test_forecast_uni(self):
         self.assertAlmostEqual(rmse, 0.01, delta=0.1)
 
         # Check look-ahead RMSE using time_series_prev
-        dataset = RollingWindowDataset(self.test_data_uni,
-                                       self.i,
-                                       self.maxlags,
-                                       self.max_forecast_steps,
-                                       ts_index=True)
+        dataset = RollingWindowDataset(self.test_data_uni, self.i, self.maxlags, self.max_forecast_steps, ts_index=True)
         testing_instance, testing_label = next(iter(dataset))
         pred, _ = self.model.forecast(testing_label.time_stamps, testing_instance)
         lookahead_rmse = ForecastMetric.RMSE.value(testing_label, pred, target_seq_index=self.i)
diff --git a/tests/forecast/test_boostingtrees.py b/tests/forecast/test_boostingtrees.py
index 0776b5f8f..a261ca03c 100644
--- a/tests/forecast/test_boostingtrees.py
+++ b/tests/forecast/test_boostingtrees.py
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2022 salesforce.com, inc.
+# Copyright (c) 2023 salesforce.com, inc.
 # All rights reserved.
 # SPDX-License-Identifier: BSD-3-Clause
 # For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/BSD-3-Clause
diff --git a/tests/forecast/test_default.py b/tests/forecast/test_default.py
index c7dc16c2b..d1f41c5f5 100644
--- a/tests/forecast/test_default.py
+++ b/tests/forecast/test_default.py
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2022 salesforce.com, inc.
+# Copyright (c) 2023 salesforce.com, inc.
 # All rights reserved.
 # SPDX-License-Identifier: BSD-3-Clause
 # For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/BSD-3-Clause
diff --git a/tests/forecast/test_ets.py b/tests/forecast/test_ets.py
index 4542b5089..95b5bd0f7 100644
--- a/tests/forecast/test_ets.py
+++ b/tests/forecast/test_ets.py
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2022 salesforce.com, inc.
+# Copyright (c) 2023 salesforce.com, inc.
 # All rights reserved.
 # SPDX-License-Identifier: BSD-3-Clause
 # For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/BSD-3-Clause
diff --git a/tests/forecast/test_exog.py b/tests/forecast/test_exog.py
index 071f2a901..6ee939380 100644
--- a/tests/forecast/test_exog.py
+++ b/tests/forecast/test_exog.py
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2022 salesforce.com, inc.
+# Copyright (c) 2023 salesforce.com, inc.
 # All rights reserved.
 # SPDX-License-Identifier: BSD-3-Clause
 # For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/BSD-3-Clause
diff --git a/tests/forecast/test_forecast_ensemble.py b/tests/forecast/test_forecast_ensemble.py
index f5409896e..b69dd98de 100644
--- a/tests/forecast/test_forecast_ensemble.py
+++ b/tests/forecast/test_forecast_ensemble.py
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2022 salesforce.com, inc.
+# Copyright (c) 2023 salesforce.com, inc.
 # All rights reserved.
 # SPDX-License-Identifier: BSD-3-Clause
 # For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/BSD-3-Clause
diff --git a/tests/forecast/test_istat.py b/tests/forecast/test_istat.py
index 2f9411c29..676c8ad04 100644
--- a/tests/forecast/test_istat.py
+++ b/tests/forecast/test_istat.py
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2021 salesforce.com, inc.
+# Copyright (c) 2023 salesforce.com, inc.
 # All rights reserved.
 # SPDX-License-Identifier: BSD-3-Clause
 # For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/BSD-3-Clause
@@ -68,7 +68,7 @@ def test_recency_weighted_stats(self):
         # rwv normal data
         rwv = RecencyWeightedVariance(recency_weight=1e-4)
         rwv.add_batch(normal_data)
-        self.assertAlmostEqual(245.7, rwv.value ** 0.5, places=-1)
+        self.assertAlmostEqual(245.7, rwv.value**0.5, places=-1)
 
         for data in self.data1, self.data2, self.data3:
             left, right = data[:800], data[800:]
diff --git a/tests/forecast/test_prophet.py b/tests/forecast/test_prophet.py
index bda2348eb..311d3ebad 100644
--- a/tests/forecast/test_prophet.py
+++ b/tests/forecast/test_prophet.py
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2022 salesforce.com, inc.
+# Copyright (c) 2023 salesforce.com, inc.
 # All rights reserved.
 # SPDX-License-Identifier: BSD-3-Clause
 # For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/BSD-3-Clause
diff --git a/tests/forecast/test_smoother.py b/tests/forecast/test_smoother.py
index 7ba860a69..cbc0fbae2 100644
--- a/tests/forecast/test_smoother.py
+++ b/tests/forecast/test_smoother.py
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2022 salesforce.com, inc.
+# Copyright (c) 2023 salesforce.com, inc.
 # All rights reserved.
 # SPDX-License-Identifier: BSD-3-Clause
 # For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/BSD-3-Clause
diff --git a/tests/forecast/test_vector_ar.py b/tests/forecast/test_vector_ar.py
index a84bd839b..e1d4a4753 100644
--- a/tests/forecast/test_vector_ar.py
+++ b/tests/forecast/test_vector_ar.py
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2022 salesforce.com, inc.
+# Copyright (c) 2023 salesforce.com, inc.
 # All rights reserved.
 # SPDX-License-Identifier: BSD-3-Clause
 # For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/BSD-3-Clause
diff --git a/tests/spark/__init__.py b/tests/spark/__init__.py
index 599d47c29..5b913d9ad 100644
--- a/tests/spark/__init__.py
+++ b/tests/spark/__init__.py
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2022 salesforce.com, inc.
+# Copyright (c) 2023 salesforce.com, inc.
 # All rights reserved.
 # SPDX-License-Identifier: BSD-3-Clause
 # For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/BSD-3-Clause
diff --git a/tests/spark/conftest.py b/tests/spark/conftest.py
index b5c52dbb1..880d8d288 100644
--- a/tests/spark/conftest.py
+++ b/tests/spark/conftest.py
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2022 salesforce.com, inc.
+# Copyright (c) 2023 salesforce.com, inc.
 # All rights reserved.
 # SPDX-License-Identifier: BSD-3-Clause
 # For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/BSD-3-Clause
diff --git a/tests/spark/test_anomaly.py b/tests/spark/test_anomaly.py
index bc60d23dd..245b9e836 100644
--- a/tests/spark/test_anomaly.py
+++ b/tests/spark/test_anomaly.py
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2022 salesforce.com, inc.
+# Copyright (c) 2023 salesforce.com, inc.
 # All rights reserved.
 # SPDX-License-Identifier: BSD-3-Clause
 # For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/BSD-3-Clause
diff --git a/tests/spark/test_forecast.py b/tests/spark/test_forecast.py
index cdbeca993..f6b08de10 100644
--- a/tests/spark/test_forecast.py
+++ b/tests/spark/test_forecast.py
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2022 salesforce.com, inc.
+# Copyright (c) 2023 salesforce.com, inc.
 # All rights reserved.
 # SPDX-License-Identifier: BSD-3-Clause
 # For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/BSD-3-Clause
diff --git a/tests/test_custom_dataset.py b/tests/test_custom_dataset.py
index 0a4b0995c..772639007 100644
--- a/tests/test_custom_dataset.py
+++ b/tests/test_custom_dataset.py
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2022 salesforce.com, inc.
+# Copyright (c) 2023 salesforce.com, inc.
 # All rights reserved.
 # SPDX-License-Identifier: BSD-3-Clause
 # For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/BSD-3-Clause
diff --git a/tests/test_generator.py b/tests/test_generator.py
index 5f6e6b9f8..b5a38cc66 100644
--- a/tests/test_generator.py
+++ b/tests/test_generator.py
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2022 salesforce.com, inc.
+# Copyright (c) 2023 salesforce.com, inc.
 # All rights reserved.
 # SPDX-License-Identifier: BSD-3-Clause
 # For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/BSD-3-Clause
@@ -26,7 +26,7 @@ def test_generator_sequence(self):
         np.random.seed(1234)
         y_generated = GeneratorComposer(
             generators=[
-                TimeSeriesGenerator(f=lambda x: x ** 1.3, n=3),
+                TimeSeriesGenerator(f=lambda x: x**1.3, n=3),
                 TimeSeriesGenerator(f=lambda x: 4.5 / (1 + exp(-x)), scale=4.5, n=7),
                 TimeSeriesGenerator(f=lambda x: sin(x) * sin(3 * x), n=11),
             ],
@@ -48,7 +48,7 @@ def test_generator_series(self):
         np.random.seed(1234)
         y_generated = GeneratorConcatenator(
             generators=[
-                TimeSeriesGenerator(f=lambda x: x ** 2, n=3, x0=0),
+                TimeSeriesGenerator(f=lambda x: x**2, n=3, x0=0),
                 TimeSeriesGenerator(f=lambda x: exp(-(x % 5)), n=7, x0=10),
                 TimeSeriesGenerator(f=lambda x: 4 * log(x), n=11, x0=-99),
             ],
diff --git a/tests/test_hts.py b/tests/test_hts.py
index 9fc05d642..85e0b7033 100644
--- a/tests/test_hts.py
+++ b/tests/test_hts.py
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2022 salesforce.com, inc.
+# Copyright (c) 2023 salesforce.com, inc.
 # All rights reserved.
 # SPDX-License-Identifier: BSD-3-Clause
 # For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/BSD-3-Clause
diff --git a/tests/test_plot.py b/tests/test_plot.py
index 7129d0e27..0cb9c53d9 100644
--- a/tests/test_plot.py
+++ b/tests/test_plot.py
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2022 salesforce.com, inc.
+# Copyright (c) 2023 salesforce.com, inc.
 # All rights reserved.
 # SPDX-License-Identifier: BSD-3-Clause
 # For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/BSD-3-Clause
diff --git a/tests/transform/__init__.py b/tests/transform/__init__.py
index f34b13dbf..5b913d9ad 100644
--- a/tests/transform/__init__.py
+++ b/tests/transform/__init__.py
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2021 salesforce.com, inc.
+# Copyright (c) 2023 salesforce.com, inc.
 # All rights reserved.
 # SPDX-License-Identifier: BSD-3-Clause
 # For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/BSD-3-Clause
diff --git a/tests/transform/test_anomalize.py b/tests/transform/test_anomalize.py
index bf1011404..b3acea296 100644
--- a/tests/transform/test_anomalize.py
+++ b/tests/transform/test_anomalize.py
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2021 salesforce.com, inc.
+# Copyright (c) 2023 salesforce.com, inc.
 # All rights reserved.
 # SPDX-License-Identifier: BSD-3-Clause
 # For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/BSD-3-Clause
@@ -23,7 +23,7 @@ def __init__(self, *args, **kwargs):
         super().__init__(*args, **kwargs)
         logger.info("Generating Data...\n")
         np.random.seed(111)
-        self.ts = TimeSeriesGenerator(f=lambda x: x ** 1.6, n=200, name="metric").generate(return_ts=True)
+        self.ts = TimeSeriesGenerator(f=lambda x: x**1.6, n=200, name="metric").generate(return_ts=True)
 
     def test_shock(self):
         print("-" * 80)
diff --git a/tests/transform/test_inverse.py b/tests/transform/test_inverse.py
index 91a92f9be..09dc99790 100644
--- a/tests/transform/test_inverse.py
+++ b/tests/transform/test_inverse.py
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2022 salesforce.com, inc.
+# Copyright (c) 2023 salesforce.com, inc.
 # All rights reserved.
 # SPDX-License-Identifier: BSD-3-Clause
 # For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/BSD-3-Clause
diff --git a/tests/transform/test_moving_average.py b/tests/transform/test_moving_average.py
index 8ec6f00bd..6a2535878 100644
--- a/tests/transform/test_moving_average.py
+++ b/tests/transform/test_moving_average.py
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2021 salesforce.com, inc.
+# Copyright (c) 2023 salesforce.com, inc.
 # All rights reserved.
 # SPDX-License-Identifier: BSD-3-Clause
 # For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/BSD-3-Clause
diff --git a/tests/transform/test_resample.py b/tests/transform/test_resample.py
index 999108091..a2bedff39 100644
--- a/tests/transform/test_resample.py
+++ b/tests/transform/test_resample.py
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2022 salesforce.com, inc.
+# Copyright (c) 2023 salesforce.com, inc.
 # All rights reserved.
 # SPDX-License-Identifier: BSD-3-Clause
 # For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/BSD-3-Clause
diff --git a/tests/transform/test_sequence.py b/tests/transform/test_sequence.py
index 77a3e9f92..38be207ee 100644
--- a/tests/transform/test_sequence.py
+++ b/tests/transform/test_sequence.py
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2021 salesforce.com, inc.
+# Copyright (c) 2023 salesforce.com, inc.
 # All rights reserved.
 # SPDX-License-Identifier: BSD-3-Clause
 # For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/BSD-3-Clause
diff --git a/ts_datasets/setup.py b/ts_datasets/setup.py
index 48b99bb89..e9be1c3d9 100644
--- a/ts_datasets/setup.py
+++ b/ts_datasets/setup.py
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2022 salesforce.com, inc.
+# Copyright (c) 2023 salesforce.com, inc.
 # All rights reserved.
 # SPDX-License-Identifier: BSD-3-Clause
 # For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/BSD-3-Clause
diff --git a/ts_datasets/ts_datasets/__init__.py b/ts_datasets/ts_datasets/__init__.py
index eb1042786..fa26f5029 100644
--- a/ts_datasets/ts_datasets/__init__.py
+++ b/ts_datasets/ts_datasets/__init__.py
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2022 salesforce.com, inc.
+# Copyright (c) 2023 salesforce.com, inc.
 # All rights reserved.
 # SPDX-License-Identifier: BSD-3-Clause
 # For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/BSD-3-Clause
diff --git a/ts_datasets/ts_datasets/anomaly/__init__.py b/ts_datasets/ts_datasets/anomaly/__init__.py
index 1d7bba19a..b162df24c 100755
--- a/ts_datasets/ts_datasets/anomaly/__init__.py
+++ b/ts_datasets/ts_datasets/anomaly/__init__.py
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2022 salesforce.com, inc.
+# Copyright (c) 2023 salesforce.com, inc.
 # All rights reserved.
 # SPDX-License-Identifier: BSD-3-Clause
 # For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/BSD-3-Clause
diff --git a/ts_datasets/ts_datasets/anomaly/base.py b/ts_datasets/ts_datasets/anomaly/base.py
index a76a776b9..e05fe0a2f 100644
--- a/ts_datasets/ts_datasets/anomaly/base.py
+++ b/ts_datasets/ts_datasets/anomaly/base.py
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2021 salesforce.com, inc.
+# Copyright (c) 2023 salesforce.com, inc.
 # All rights reserved.
 # SPDX-License-Identifier: BSD-3-Clause
 # For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/BSD-3-Clause
diff --git a/ts_datasets/ts_datasets/anomaly/custom.py b/ts_datasets/ts_datasets/anomaly/custom.py
index 709979c2e..0b6d565d4 100644
--- a/ts_datasets/ts_datasets/anomaly/custom.py
+++ b/ts_datasets/ts_datasets/anomaly/custom.py
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2022 salesforce.com, inc.
+# Copyright (c) 2023 salesforce.com, inc.
 # All rights reserved.
 # SPDX-License-Identifier: BSD-3-Clause
 # For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/BSD-3-Clause
diff --git a/ts_datasets/ts_datasets/anomaly/iops_competition.py b/ts_datasets/ts_datasets/anomaly/iops_competition.py
index a2ca6017b..b36beda04 100644
--- a/ts_datasets/ts_datasets/anomaly/iops_competition.py
+++ b/ts_datasets/ts_datasets/anomaly/iops_competition.py
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2021 salesforce.com, inc.
+# Copyright (c) 2023 salesforce.com, inc.
 # All rights reserved.
 # SPDX-License-Identifier: BSD-3-Clause
 # For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/BSD-3-Clause
diff --git a/ts_datasets/ts_datasets/anomaly/msl.py b/ts_datasets/ts_datasets/anomaly/msl.py
index b943b0456..1401d39bd 100644
--- a/ts_datasets/ts_datasets/anomaly/msl.py
+++ b/ts_datasets/ts_datasets/anomaly/msl.py
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2021 salesforce.com, inc.
+# Copyright (c) 2023 salesforce.com, inc.
 # All rights reserved.
 # SPDX-License-Identifier: BSD-3-Clause
 # For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/BSD-3-Clause
diff --git a/ts_datasets/ts_datasets/anomaly/nab.py b/ts_datasets/ts_datasets/anomaly/nab.py
index 5902dcf53..5bb46b41e 100644
--- a/ts_datasets/ts_datasets/anomaly/nab.py
+++ b/ts_datasets/ts_datasets/anomaly/nab.py
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2022 salesforce.com, inc.
+# Copyright (c) 2023 salesforce.com, inc.
 # All rights reserved.
 # SPDX-License-Identifier: BSD-3-Clause
 # For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/BSD-3-Clause
@@ -192,7 +192,7 @@ def download(self, rootdir, subsets):
             url = f"https://github.com/numenta/NAB/raw/master/{labelfile}"
             r = requests.get(url, stream=True)
             with open(path, "wb") as f:
-                for chunk in r.iter_content(chunk_size=16 * 1024 ** 2):
+                for chunk in r.iter_content(chunk_size=16 * 1024**2):
                     if chunk:  # filter out keep-alive new chunks
                         f.write(chunk)
                         f.flush()
@@ -205,7 +205,7 @@ def download(self, rootdir, subsets):
                 url = f"https://github.com/numenta/NAB/raw/master/data/{csv}"
                 r = requests.get(url, stream=True)
                 with open(path, "wb") as f:
-                    for chunk in r.iter_content(chunk_size=16 * 1024 ** 2):
+                    for chunk in r.iter_content(chunk_size=16 * 1024**2):
                         if chunk:  # filter out keep-alive new chunks
                             f.write(chunk)
                             f.flush()
diff --git a/ts_datasets/ts_datasets/anomaly/smap.py b/ts_datasets/ts_datasets/anomaly/smap.py
index aedecccb9..786c0f3f6 100644
--- a/ts_datasets/ts_datasets/anomaly/smap.py
+++ b/ts_datasets/ts_datasets/anomaly/smap.py
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2021 salesforce.com, inc.
+# Copyright (c) 2023 salesforce.com, inc.
 # All rights reserved.
 # SPDX-License-Identifier: BSD-3-Clause
 # For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/BSD-3-Clause
diff --git a/ts_datasets/ts_datasets/anomaly/smd.py b/ts_datasets/ts_datasets/anomaly/smd.py
index f742a8164..f1d6a77ea 100644
--- a/ts_datasets/ts_datasets/anomaly/smd.py
+++ b/ts_datasets/ts_datasets/anomaly/smd.py
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2021 salesforce.com, inc.
+# Copyright (c) 2023 salesforce.com, inc.
 # All rights reserved.
 # SPDX-License-Identifier: BSD-3-Clause
 # For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/BSD-3-Clause
@@ -102,7 +102,7 @@ def download(logger, datapath, url, filename):
         logger.info("Downloading " + url)
         with requests.get(url, stream=True) as r:
             with open(compressed_file, "wb") as f:
-                for chunk in r.iter_content(chunk_size=16 * 1024 ** 2):
+                for chunk in r.iter_content(chunk_size=16 * 1024**2):
                     if chunk:  # filter out keep-alive new chunks
                         f.write(chunk)
                         f.flush()
diff --git a/ts_datasets/ts_datasets/anomaly/synthetic.py b/ts_datasets/ts_datasets/anomaly/synthetic.py
index 05df3e72a..cbb954122 100644
--- a/ts_datasets/ts_datasets/anomaly/synthetic.py
+++ b/ts_datasets/ts_datasets/anomaly/synthetic.py
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2021 salesforce.com, inc.
+# Copyright (c) 2023 salesforce.com, inc.
 # All rights reserved.
 # SPDX-License-Identifier: BSD-3-Clause
 # For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/BSD-3-Clause
diff --git a/ts_datasets/ts_datasets/anomaly/ucr.py b/ts_datasets/ts_datasets/anomaly/ucr.py
index 07b4ba135..0dc06528a 100644
--- a/ts_datasets/ts_datasets/anomaly/ucr.py
+++ b/ts_datasets/ts_datasets/anomaly/ucr.py
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2021 salesforce.com, inc.
+# Copyright (c) 2023 salesforce.com, inc.
 # All rights reserved.
 # SPDX-License-Identifier: BSD-3-Clause
 # For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/BSD-3-Clause
@@ -84,7 +84,7 @@ def download(self, rootdir):
             logger.info("Downloading " + url)
             with requests.get(url, stream=True) as r:
                 with open(compressed_file, "wb") as f:
-                    for chunk in r.iter_content(chunk_size=16 * 1024 ** 2):
+                    for chunk in r.iter_content(chunk_size=16 * 1024**2):
                         if chunk:  # filter out keep-alive new chunks
                             f.write(chunk)
                             f.flush()
diff --git a/ts_datasets/ts_datasets/base.py b/ts_datasets/ts_datasets/base.py
index 125d247c4..6d03af7ae 100644
--- a/ts_datasets/ts_datasets/base.py
+++ b/ts_datasets/ts_datasets/base.py
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2021 salesforce.com, inc.
+# Copyright (c) 2023 salesforce.com, inc.
 # All rights reserved.
 # SPDX-License-Identifier: BSD-3-Clause
 # For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/BSD-3-Clause
diff --git a/ts_datasets/ts_datasets/forecast/__init__.py b/ts_datasets/ts_datasets/forecast/__init__.py
index fe3e743ca..cacd70139 100644
--- a/ts_datasets/ts_datasets/forecast/__init__.py
+++ b/ts_datasets/ts_datasets/forecast/__init__.py
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2022 salesforce.com, inc.
+# Copyright (c) 2023 salesforce.com, inc.
 # All rights reserved.
 # SPDX-License-Identifier: BSD-3-Clause
 # For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/BSD-3-Clause
diff --git a/ts_datasets/ts_datasets/forecast/custom.py b/ts_datasets/ts_datasets/forecast/custom.py
index 5d64d7d2b..c600821b5 100644
--- a/ts_datasets/ts_datasets/forecast/custom.py
+++ b/ts_datasets/ts_datasets/forecast/custom.py
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2022 salesforce.com, inc.
+# Copyright (c) 2023 salesforce.com, inc.
 # All rights reserved.
 # SPDX-License-Identifier: BSD-3-Clause
 # For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/BSD-3-Clause
diff --git a/ts_datasets/ts_datasets/forecast/energy_power.py b/ts_datasets/ts_datasets/forecast/energy_power.py
index 75c234e8b..b08f7465b 100644
--- a/ts_datasets/ts_datasets/forecast/energy_power.py
+++ b/ts_datasets/ts_datasets/forecast/energy_power.py
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2021 salesforce.com, inc.
+# Copyright (c) 2023 salesforce.com, inc.
 # All rights reserved.
 # SPDX-License-Identifier: BSD-3-Clause
 # For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/BSD-3-Clause
diff --git a/ts_datasets/ts_datasets/forecast/m4.py b/ts_datasets/ts_datasets/forecast/m4.py
index 79904ac35..0623e0d8f 100644
--- a/ts_datasets/ts_datasets/forecast/m4.py
+++ b/ts_datasets/ts_datasets/forecast/m4.py
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2022 salesforce.com, inc.
+# Copyright (c) 2023 salesforce.com, inc.
 # All rights reserved.
 # SPDX-License-Identifier: BSD-3-Clause
 # For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/BSD-3-Clause
@@ -99,7 +99,7 @@ def download(datapath, url, name, split=None):
     logger.info("Downloading " + url)
     r = requests.get(url, stream=True)
     with open(file_path, "wb") as f:
-        for chunk in r.iter_content(chunk_size=16 * 1024 ** 2):
+        for chunk in r.iter_content(chunk_size=16 * 1024**2):
             if chunk:  # filter out keep-alive new chunks
                 f.write(chunk)
                 f.flush()
diff --git a/ts_datasets/ts_datasets/forecast/seattle_trail.py b/ts_datasets/ts_datasets/forecast/seattle_trail.py
index 3d42447b8..96fdccaac 100644
--- a/ts_datasets/ts_datasets/forecast/seattle_trail.py
+++ b/ts_datasets/ts_datasets/forecast/seattle_trail.py
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2021 salesforce.com, inc.
+# Copyright (c) 2023 salesforce.com, inc.
 # All rights reserved.
 # SPDX-License-Identifier: BSD-3-Clause
 # For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/BSD-3-Clause
diff --git a/ts_datasets/ts_datasets/forecast/solar_plant.py b/ts_datasets/ts_datasets/forecast/solar_plant.py
index a691bc72b..52018a186 100644
--- a/ts_datasets/ts_datasets/forecast/solar_plant.py
+++ b/ts_datasets/ts_datasets/forecast/solar_plant.py
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2021 salesforce.com, inc.
+# Copyright (c) 2023 salesforce.com, inc.
 # All rights reserved.
 # SPDX-License-Identifier: BSD-3-Clause
 # For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/BSD-3-Clause