[BUG] - AttributeError: module 'bcrypt' has no attribute '__about__'

[cootook]

when run app locally

(trapped) error reading bcrypt version
Traceback (most recent call last):
  File "C:\project\.venv\Lib\site-packages\passlib\handlers\bcrypt.py", line 620, in _load_backend_mixin
    version = _bcrypt.__about__.__version__
              ^^^^^^^^^^^^^^^^^
AttributeError: module 'bcrypt' has no attribute '__about__'

[cootook]

app runs normally on localhost
app deployed, runs ok