Minimal demo of Flask error from Werkzeug 2 change when Sphinx builds docs

.gitignore

/out
/.vscode

build.sh

#!/bin/sh

python -m sphinx -T -E . out

conf.py

extensions = [
    'sphinx.ext.autodoc',
]

source_suffix = '.rst'
master_doc = 'index'

project = 'demo'

release = '1.0.0'
version = '1.0.0'

demo.py

from flask import g

error-output.txt

<snip>
  File "/tmp/venv/lib/python3.8/site-packages/sphinx/util/inspect.py", line 234, in ispartial
    return isinstance(obj, (partial, partialmethod))
  File "/tmp/venv/lib/python3.8/site-packages/werkzeug/local.py", line 379, in __get__
    obj = instance._get_current_object()
  File "/tmp/venv/lib/python3.8/site-packages/werkzeug/local.py", line 499, in _get_current_object
    return self.__local()  # type: ignore
  File "/tmp/venv/lib/python3.8/site-packages/flask/globals.py", line 45, in _lookup_app_object
    raise RuntimeError(_app_ctx_err_msg)
RuntimeError: Working outside of application context.

This typically means that you attempted to use functionality that needed
to interface with the current application object in some way. To solve
this, set up an application context with app.app_context().  See the
documentation for more information.

index.rst

API

.. automodule:: demo
    :members:
    :undoc-members:
    :show-inheritance:

requirements.txt

Sphinx
Werkzeug==2.0.0rc1
Flask