"Overwrite" errors when there is previously extracted data in the folder.

[shijiegu]

~/anaconda3/envs/rec_to_nwb/lib/python3.7/site-packages/rec_to_binaries/trodes_data.py in _extract_rec_generic(self, export_cmd, export_dir_ext, dates, epochs, export_args, overwrite, stop_error, use_folder_date, parallel_instances, use_day_config)
   1368                     if os.path.exists(out_epoch_dir):
   1369                         if overwrite:
-> 1370                             shutil.rmtree(out_epoch_dir)
   1371                         else:
   1372                             raise TrodesDataFormatError(

~/anaconda3/envs/rec_to_nwb/lib/python3.7/shutil.py in rmtree(path, ignore_errors, onerror)
    496                     os.rmdir(path)
    497                 except OSError:
--> 498                     onerror(os.rmdir, path, sys.exc_info())
    499             else:
    500                 try:

~/anaconda3/envs/rec_to_nwb/lib/python3.7/shutil.py in rmtree(path, ignore_errors, onerror)
    494                 _rmtree_safe_fd(fd, path, onerror)
    495                 try:
--> 496                     os.rmdir(path)
    497                 except OSError:
    498                     onerror(os.rmdir, path, sys.exc_info())

OSError: [Errno 39] Directory not empty: '/opt/stelmo/shijie/recording_pilot/molly/preprocessing/20220415/20220415_molly_02_SeqSession1.time'