diff --git a/.github/ISSUE_TEMPLATE.md b/.github/ISSUE_TEMPLATE.md
deleted file mode 100644
index d2ff14ea..00000000
--- a/.github/ISSUE_TEMPLATE.md
+++ /dev/null
@@ -1,21 +0,0 @@
-## Problem Description
-
-**Please provide a minimal, self-contained, and reproducible example:**
-```python
-[Paste code here]
-```
-
-**Please provide the full traceback:**
-```python
-[Paste traceback here]
-```
-
-**Please provide any additional information below:**
-
-
-## Versions
-
-* Alphalens version: 
-* Python version: 
-* Pandas version: 
-* Matplotlib version: 
diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
deleted file mode 100644
index bf7839fa..00000000
--- a/.github/workflows/main.yml
+++ /dev/null
@@ -1,61 +0,0 @@
-name: CI
-
-on:
-  push:
-    branches:
-      - master
-  pull_request:
-    branches:
-      - master
-
-jobs:
-  build:
-
-    runs-on: ${{ matrix.os }}
-    strategy:
-      fail-fast: false
-      matrix:
-        os: [ubuntu-latest]
-        python-version: [2.7, 3.5, 3.7, 3.8]
-        include:
-          - python-version: 2.7
-            pandas: 0.18.1
-            numpy: 1.11.3
-            scipy: 0.17.1
-            statsmodels: 0.6.1
-          - python-version: 3.5
-            pandas: 0.18.1
-            numpy: 1.11.3
-            scipy: 0.17.1
-            statsmodels: 0.6.1
-          - python-version: 3.7
-            pandas: 1.0.1
-            numpy: 1.18.1
-            scipy: 1.4.1
-            statsmodels: 0.11.1
-          - python-version: 3.8
-            pandas: 1.0.1
-            numpy: 1.18.1
-            scipy: 1.4.1
-            statsmodels: 0.11.1
-
-    steps:
-    - uses: actions/checkout@v1
-    - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v1
-      with:
-        python-version: ${{ matrix.python-version }}
-    - name: Install dependencies
-      env:
-        PYTHONWARNINGS: ignore:DEPRECATION::pip._internal.cli.base_command
-      run: |
-        python -m pip install --upgrade pip
-        pip install numpy==${{ matrix.numpy }}
-        pip install pandas==${{ matrix.pandas }} scipy==${{ matrix.scipy }} statsmodels==${{ matrix.statsmodels}}
-        pip install -e .[test]
-    - name: Lint with flake8
-      run: |
-        flake8
-    - name: Test with nose
-      run: |
-        MATPLOTLIBRC=alphalens/tests/matplotlibrc nosetests alphalens/tests
diff --git a/alphalens/tears.py b/alphalens/tears.py
index bf6106ff..f93142e1 100644
--- a/alphalens/tears.py
+++ b/alphalens/tears.py
@@ -427,7 +427,7 @@ def create_turnover_tear_sheet(factor_data, turnover_periods=None):
     if turnover_periods is None:
         input_periods = utils.get_forward_returns_columns(
             factor_data.columns, require_exact_day_multiple=True,
-        ).get_values()
+        ).to_numpy()
         turnover_periods = utils.timedelta_strings_to_integers(input_periods)
     else:
         turnover_periods = utils.timedelta_strings_to_integers(