diff --git a/sed/loader/flash/loader.py b/sed/loader/flash/loader.py
index 91fe79e1..43686304 100644
--- a/sed/loader/flash/loader.py
+++ b/sed/loader/flash/loader.py
@@ -779,7 +779,7 @@ def parquet_handler(self, data_parquet_dir, **kwds):
 
         else:
             # Obtain the filenames from the method which handles buffer file creation/reading
-            h5_filenames, parquet_filenames = self.buffer_file_handler(
+            _, parquet_filenames = self.buffer_file_handler(
                 data_parquet_dir,
                 detector,
             )
diff --git a/sed/loader/flash/metadata.py b/sed/loader/flash/metadata.py
index 89c2c620..de256e4d 100644
--- a/sed/loader/flash/metadata.py
+++ b/sed/loader/flash/metadata.py
@@ -87,9 +87,9 @@ def _get_metadata_per_run(self, pid: str) -> Dict:
             # If the dataset request is successful, return the retrieved metadata
             # as a JSON object
             return dataset_response.json()
-        except requests.exceptions.RequestException as e:
+        except requests.exceptions.RequestException as exception:
             # If the request fails, raise warning
-            warnings.warn(f"Failed to retrieve metadata for PID {pid}: {str(e)}")
+            warnings.warn(f"Failed to retrieve metadata for PID {pid}: {str(exception)}")
             return {}  # Return an empty dictionary for this run
 
     def _create_dataset_url_by_PID(self, pid: str) -> str:  # pylint: disable=invalid-name