diff --git a/neso_solar_consumer/fetch_data.py b/neso_solar_consumer/fetch_data.py
index 0267af8..01c21d8 100644
--- a/neso_solar_consumer/fetch_data.py
+++ b/neso_solar_consumer/fetch_data.py
@@ -8,9 +8,7 @@
 import pandas as pd
 
 
-def fetch_data(
-    resource_id: str, limit: int, columns: list, rename_columns: dict
-) -> pd.DataFrame:
+def fetch_data(resource_id: str, limit: int, columns: list, rename_columns: dict) -> pd.DataFrame:
     """
     Fetch data from the NESO API and process it into a Pandas DataFrame.
 
@@ -55,9 +53,7 @@ def fetch_data(
         return pd.DataFrame()
 
 
-def fetch_data_using_sql(
-    sql_query: str, columns: list, rename_columns: dict
-) -> pd.DataFrame:
+def fetch_data_using_sql(sql_query: str, columns: list, rename_columns: dict) -> pd.DataFrame:
     """
     Fetch data from the NESO API using an SQL query, process it, and return specific columns with renamed headers.
 
@@ -98,4 +94,4 @@ def fetch_data_using_sql(
 
     except Exception as e:
         print(f"An error occurred: {e}")
-        return pd.DataFrame()
\ No newline at end of file
+        return pd.DataFrame()
diff --git a/neso_solar_consumer/format_forecast.py b/neso_solar_consumer/format_forecast.py
index 42129bf..69fd29d 100644
--- a/neso_solar_consumer/format_forecast.py
+++ b/neso_solar_consumer/format_forecast.py
@@ -35,7 +35,7 @@ def format_to_forecast_sql(data: pd.DataFrame, model_tag: str, model_version: st
         forecast_values = [
             ForecastValue(
                 target_time=target_time,
-                expected_power_generation_megawatts=row["solar_forecast_kw"]
+                expected_power_generation_megawatts=row["solar_forecast_kw"],
             ).to_orm()
         ]
 
diff --git a/neso_solar_consumer/save_forecasts.py b/neso_solar_consumer/save_forecasts.py
index 6dd9183..abc5966 100644
--- a/neso_solar_consumer/save_forecasts.py
+++ b/neso_solar_consumer/save_forecasts.py
@@ -2,6 +2,7 @@
 
 from nowcasting_datamodel.save.save import save
 
+
 def save_forecasts_to_db(forecasts: list, session):
     """
     Save a list of ForecastSQL objects to the database using the nowcasting_datamodel `save` function.
diff --git a/tests/test_fetch_data.py b/tests/test_fetch_data.py
index dc7ae79..b020a0b 100644
--- a/tests/test_fetch_data.py
+++ b/tests/test_fetch_data.py
@@ -26,7 +26,7 @@
 
 """
 
-import pytest
+import pytest  # noqa: F401
 from neso_solar_consumer.fetch_data import fetch_data, fetch_data_using_sql
 
 
@@ -69,6 +69,4 @@ def test_data_consistency():
     """
     df_api = fetch_data(resource_id, limit, columns, rename_columns)
     df_sql = fetch_data_using_sql(sql_query, columns, rename_columns)
-    assert df_api.equals(
-        df_sql
-    ), "Data from fetch_data and fetch_data_using_sql are inconsistent!"
+    assert df_api.equals(df_sql), "Data from fetch_data and fetch_data_using_sql are inconsistent!"
diff --git a/tests/test_save_forecasts.py b/tests/test_save_forecasts.py
index ccd6867..6419b15 100644
--- a/tests/test_save_forecasts.py
+++ b/tests/test_save_forecasts.py
@@ -26,6 +26,7 @@
 MODEL_NAME = "real_data_model"
 MODEL_VERSION = "1.0"
 
+
 @pytest.fixture
 def db_session():
     """
@@ -44,6 +45,7 @@ def db_session():
     session.close()
     engine.dispose()
 
+
 def test_save_real_forecasts(db_session):
     """
     Integration test: Fetch real data, format it into forecasts, and save to the database.