Problem with bcrypt and Flet

[ingdesarr1]

Question

Good morning. I currently want to use bcrypt to save and compare information within my application. If I perform the encryption and comparison process in a separate program, it works fine, but when I run my application using flet main.py, the process stops working, indicating that there is a problem using bcrypt with the hash_password. This only happens if I run the file using flet main.py; if I run it from VSCode, using Run python file, the problem does not arise. What could be causing this situation?

Code sample

import bcrypt
import flet as ft
import logging
logging.basicConfig(level=logging.DEBUG)


datos = ['A4RG0A60075','000D22:7DB4E4']

encrip = [b'$2b$12$Z4Bfcu/32o74OizvRY.7IeX0wEhoEzjJHFfMUndhiF7Ghj88S9X6m',b'$2b$12$FNQIjvQe0yorYsBXEaSFierlB70KpnFJ2P4U5YTuJ71r0QognZIf.']
for rec in encrip:
    print(f'Almacenado: {rec},{type(rec)}')


for dato,rec in zip(datos,encrip):
    print(bcrypt.checkpw(dato.encode(), rec))

def main(page:ft.Page):
    page.title = "AltronBatch"

if __name__ == '__main__':
    ft.app(target=main, assets_dir="assets")

Error message

Almacenado: b'$2b$12$FNQIjvQe0yorYsBXEaSFierlB70KpnFJ2P4U5YTuJ71r0QognZIf.',<class 'bytes'>
    print(bcrypt.checkpw(dato.encode(), rec))
          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
ValueError: Invalid hashed_password salt

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• I have searched for answers to my question both in the issues and in previous discussions.