changing file open mode from append ('a') to write ('w+')

persistStorage.py

@@ -19,7 +19,7 @@ fs = HfFileSystem(token=HUGGING_FACE_TOKEN)
 def append_dict_to_csv(file_path, row_data):
     fieldnames = row_data.keys()
 
-    with fs.open(file_path, 'a+') as csv_file:
+    with fs.open(file_path, 'w+') as csv_file:
         csv_writer = csv.DictWriter(csv_file, fieldnames=fieldnames)
 
         # Check if the file is empty, and if so, write the header