pd.to_pickle instead of pickle.dump for code consistency

Author: aditya0by0

chebai/preprocessing/datasets/chebi.py

@@ -216,7 +216,7 @@ def save_raw(self, data: pd.DataFrame, filename: str):
         pd.to_pickle(data, open(os.path.join(self.raw_dir, filename), "wb"))
 
     def save_processed(self, data: pd.DataFrame, filename: str):
-        pickle.dump(data, open(os.path.join(self.processed_dir_main, filename), "wb"))
+        pd.to_pickle(data, open(os.path.join(self.processed_dir_main, filename), "wb"))
 
     def _load_dict(self, input_file_path):
         """