Python fernet invalid token

[ttw1203]

I'm running python 3.7.2 on my seedbox. How could I fix this?

`ttw1203e@app03:~/RED_OPS_Better$ python3 red_ops_better
Password Must include Minimum length (10), Capital and lower letter, number and special character
Provide a Password for Encry and Decrp:
Password Must include Minimum length (10), Capital and lower letter, number and special character.
Provide a Password for Encry and Decrp:
Traceback (most recent call last):
File "/usr/lib/python3/dist-packages/cryptography/fernet.py", line 104, in _verify_signature
h.verify(data[-32:])
File "/usr/lib/python3/dist-packages/cryptography/hazmat/primitives/hmac.py", line 67, in verify
ctx.verify(signature)
File "/usr/lib/python3/dist-packages/cryptography/hazmat/backends/openssl/hmac.py", line 75, in verify
raise InvalidSignature("Signature did not match digest.")
cryptography.exceptions.InvalidSignature: Signature did not match digest.

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
File "red_ops_better", line 421, in
main()
File "red_ops_better", line 172, in main
file_response = cred_file_encrypt_decryption(cipher, authFile_enc, encry_decry=0)
File "red_ops_better", line 76, in cred_file_encrypt_decryption
decrypted_data = cipher.decrypt(data).decode('utf-8')
File "/usr/lib/python3/dist-packages/cryptography/fernet.py", line 75, in decrypt
return self._decrypt_data(data, timestamp, ttl)
File "/usr/lib/python3/dist-packages/cryptography/fernet.py", line 117, in _decrypt_data
self._verify_signature(data)
File "/usr/lib/python3/dist-packages/cryptography/fernet.py", line 106, in _verify_signature
raise InvalidToken
cryptography.fernet.InvalidToken
ttw1203e@app03:~/RED_OPS_Better$`