diff --git a/open_fdd/air_handling_unit/faults/fault_condition_one.py b/open_fdd/air_handling_unit/faults/fault_condition_one.py
index 2b53efc..c565565 100644
--- a/open_fdd/air_handling_unit/faults/fault_condition_one.py
+++ b/open_fdd/air_handling_unit/faults/fault_condition_one.py
@@ -57,4 +57,4 @@ def apply(self, df: pd.DataFrame) -> pd.DataFrame:
             del df["fan_check_"]
             del df["combined_check"]
 
-        return df
\ No newline at end of file
+        return df
diff --git a/open_fdd/air_handling_unit/reports/report_fc1.py b/open_fdd/air_handling_unit/reports/report_fc1.py
index 384f1a9..047d349 100644
--- a/open_fdd/air_handling_unit/reports/report_fc1.py
+++ b/open_fdd/air_handling_unit/reports/report_fc1.py
@@ -112,4 +112,4 @@ def display_report_in_ipython(self, df: pd.DataFrame, output_col: str = "fc1_fla
 
         else:
             print("NO FAULTS FOUND - Skipping time-of-day Histogram plot")
-            sys.stdout.flush()
\ No newline at end of file
+            sys.stdout.flush()
diff --git a/open_fdd/tests/ahu/test_ahu_fc1.py b/open_fdd/tests/ahu/test_ahu_fc1.py
index 7c3c9ee..f9cce65 100644
--- a/open_fdd/tests/ahu/test_ahu_fc1.py
+++ b/open_fdd/tests/ahu/test_ahu_fc1.py
@@ -156,4 +156,4 @@ def test_fault_on_float_greater_than_one(self):
             TypeError,
             match=HelperUtils().float_max_check_err(TEST_SUPPLY_VFD_SPEED_COL),
         ):
-            fc1.apply(self.fault_df_on_output_greater_than_one())
\ No newline at end of file
+            fc1.apply(self.fault_df_on_output_greater_than_one())