diff --git a/tap_linkedin_ads/streams/ad_analytics/ad_analytics_base.py b/tap_linkedin_ads/streams/ad_analytics/ad_analytics_base.py
index 8e2cbf9..03b45a4 100644
--- a/tap_linkedin_ads/streams/ad_analytics/ad_analytics_base.py
+++ b/tap_linkedin_ads/streams/ad_analytics/ad_analytics_base.py
@@ -56,4 +56,3 @@ def merge_dicts(self, *dict_args: dict) -> dict:
         for dictionary in dict_args:
             result.update(dictionary)
         return result
-
diff --git a/tap_linkedin_ads/streams/ad_analytics/ad_analytics_by_creative.py b/tap_linkedin_ads/streams/ad_analytics/ad_analytics_by_creative.py
index 114670d..40e3e76 100644
--- a/tap_linkedin_ads/streams/ad_analytics/ad_analytics_by_creative.py
+++ b/tap_linkedin_ads/streams/ad_analytics/ad_analytics_by_creative.py
@@ -3,7 +3,7 @@
 from __future__ import annotations
 
 import typing as t
-from datetime import datetime, timezone
+from datetime import timezone
 from importlib import resources
 
 import pendulum
diff --git a/tap_linkedin_ads/streams/base_stream.py b/tap_linkedin_ads/streams/base_stream.py
index f0437fd..bdd650d 100644
--- a/tap_linkedin_ads/streams/base_stream.py
+++ b/tap_linkedin_ads/streams/base_stream.py
@@ -3,7 +3,6 @@
 from __future__ import annotations
 
 import typing as t
-from datetime import datetime, timezone
 from functools import cached_property
 
 from singer_sdk import metrics
diff --git a/tap_linkedin_ads/streams/streams.py b/tap_linkedin_ads/streams/streams.py
index e8f0548..866626d 100644
--- a/tap_linkedin_ads/streams/streams.py
+++ b/tap_linkedin_ads/streams/streams.py
@@ -6,7 +6,6 @@
 from datetime import datetime, timezone
 from importlib import resources
 
-import pendulum
 from singer_sdk.helpers.types import Context
 from singer_sdk.typing import (
     ArrayType,
@@ -34,7 +33,9 @@ def post_process(self, row: dict, context: dict | None = None) -> dict | None:
         # This function extracts day, month, and year from date range column
         # These values are parse with datetime function and the date is added to the day column
         if "changeAuditStamps" in row:
-            created_time = row.get("changeAuditStamps", {}).get("created", {}).get("time")
+            created_time = (
+                row.get("changeAuditStamps", {}).get("created", {}).get("time")
+            )
             last_modified_time = (
                 row.get("changeAuditStamps", {}).get("lastModified", {}).get("time")
             )
@@ -56,10 +57,12 @@ def post_process(self, row: dict, context: dict | None = None) -> dict | None:
                 tz=UTC,
             ).isoformat()
         else:
-            raise Exception("No changeAuditStamps or createdAt/lastModifiedAt fields found")
+            raise Exception(
+                "No changeAuditStamps or createdAt/lastModifiedAt fields found"
+            )
         # Manual date filtering
         date = datetime.fromisoformat(row["last_modified_time"])
-        start_date = datetime.fromisoformat(self.get_starting_timestamp(context)).replace(tzinfo=timezone.utc)
+        start_date = self.get_starting_timestamp(context)
         end_date = datetime.fromisoformat(self.config["end_date"]).replace(tzinfo=timezone.utc)
         if date >= start_date and date <= end_date:
             return super().post_process(row, context)
@@ -538,6 +541,7 @@ def post_process(self, row: dict, context: dict | None = None) -> dict | None:
         row["campaign_group_id"] = int(row["campaignGroup"].split(":")[3])
         return super().post_process(row, context)
 
+
 class CampaignGroupsStream(LinkedInAdsStream):
     """https://docs.microsoft.com/en-us/linkedin/marketing/integrations/ads/account-structure/create-and-manage-campaign-groups#search-for-campaign-groups."""
 
@@ -644,6 +648,7 @@ def post_process(self, row: dict, context: dict | None = None) -> dict | None:
         ).isoformat()
         return super().post_process(row, context)
 
+
 class CreativesStream(LinkedInAdsStream):
     """https://learn.microsoft.com/en-us/linkedin/marketing/integrations/ads/account-structure/create-and-manage-creatives?view=li-lms-2023-05&tabs=http%2Chttp-update-a-creative#search-for-creatives."""
 
@@ -789,8 +794,3 @@ def get_url_params(
             "owner": context["owner_urn"],
             **super().get_url_params(context, next_page_token),
         }
-
-
-
-
-