Facing issue in find_signature.py

[hitish]

As my project both files your_word_data.pkl and your_email_authors.pkl are created.
but when i try to open these files in find_signature.py i am getting error : TypeError: startswith first arg must be str or a tuple of str, not bytes

ERROR :
Traceback (most recent call last):
File "C:\Users\Lenovo\github\ud120-projects\feature_selection\find_signature.py", line 13, in
word_data = joblib.load( open(words_file, "r"))
File "C:\Users\Lenovo\AppData\Local\Programs\Python\Python310\lib\site-packages\joblib\numpy_pickle.py", line 576, in load
with _read_fileobject(fobj, filename, mmap_mode) as fobj:
File "C:\Users\Lenovo\AppData\Local\Programs\Python\Python310\lib\contextlib.py", line 135, in enter
return next(self.gen)
File "C:\Users\Lenovo\AppData\Local\Programs\Python\Python310\lib\site-packages\joblib\numpy_pickle_utils.py", line 149, in _read_fileobject
compressor = _detect_compressor(fileobj)
File "C:\Users\Lenovo\AppData\Local\Programs\Python\Python310\lib\site-packages\joblib\numpy_pickle_utils.py", line 100, in _detect_compressor
if first_bytes.startswith(_ZFILE_PREFIX):
TypeError: startswith first arg must be str or a tuple of str, not bytes