import errors when invoking flask db init

[Jobenas]

Hi:

I'm currently writing a simple flask app and wanted to try the app with a sqlite database. After creating the models and all the boilerplate for the database, I run the command:

flask db init

which throws the following error:

Traceback (most recent call last):
  File "/home/jobenas/.local/lib/python3.8/site-packages/flask/cli.py", line 256, in locate_app
    __import__(module_name)
  File "/mnt/c/Users/joben/personal_dev/Python/pucp_provision_system/server.py", line 15, in <module>
    from base.routes import login_manager
  File "/mnt/c/Users/joben/personal_dev/Python/pucp_provision_system/base/routes.py", line 9, in <module>
    from base.forms import LoginForm, RegisterUserForm, RegisterUserFormAdmin
  File "/mnt/c/Users/joben/personal_dev/Python/pucp_provision_system/base/forms.py", line 1, in <module>
    from flask_wtf import FlaskForm
  File "/home/jobenas/.local/lib/python3.8/site-packages/flask_wtf/__init__.py", line 17, in <module>
    from .recaptcha import *
  File "/home/jobenas/.local/lib/python3.8/site-packages/flask_wtf/recaptcha/__init__.py", line 2, in <module>
    from .fields import *
  File "/home/jobenas/.local/lib/python3.8/site-packages/flask_wtf/recaptcha/fields.py", line 3, in <module>
    from . import widgets
  File "/home/jobenas/.local/lib/python3.8/site-packages/flask_wtf/recaptcha/widgets.py", line 5, in <module>
    from werkzeug import url_encode
ImportError: cannot import name 'url_encode' from 'werkzeug' (/home/jobenas/.local/lib/python3.8/site-packages/werkzeug/__init__.py)

I'm currently running:
Werkzeug version 2.0.1
Flask-Migrate version 3.1.0
Flask-SQLAlchemy version 2.5.1
Flask version 2.0.1

I'm not sure if there's any other dependency needed to run this. Thanks in advance for any pointers.

PS: Sorry for the horrible formatting, I'm not very knowledgeable with markdown.

[miguelgrinberg]

This error is unrelated, it is in the Flask-WTF package. My guess is that you need to upgrade it to work well with Flask and Werkzeug version 2.

[Jobenas]

Hi Miguel, thanks for the reply, I'm on version 2.3.3 of WTForms and version 0.15.1 Flask-WTF package, which I understand is the latest version. Is there any version that's recommended for werkzeug version 2?

[miguelgrinberg]

You need to check your versions, something isn't right in what you are reporting. The line that is giving you the error is different in the current release of Flask-WTF (here). Try reinstalling Flask-WTF.