test

app.py

@@ -13,10 +13,12 @@ def append_to_csv(output_path, row_data, header_names):
     with lock:
         # Check if file exists and is not empty
         if os.path.exists(output_path) and os.path.getsize(output_path) > 0:
+            print(f"Appending to {output_path}")
             # File exists and is not empty, append without headers
             df = pd.DataFrame([row_data])
             df.to_csv(output_path, mode='a', header=False, index=False)
         else:
+            print(f"Writing to {output_path}")
             # File does not exist or is empty, write with headers
             df = pd.DataFrame([row_data], columns=header_names)
             df.to_csv(output_path, mode='w', header=True, index=False)