TypeError: required field "type_ignores" missing from Module #2
Description
After running python -m flask run, I had this error:
TypeError: required field "type_ignores" missing from Module
This bug is about werkzeug 0.15.4 and fixed in 0.15.5. Upgrade from 0.15.4 to a later version.
Simply, run this if you got stuck:
pip3 install --upgrade werkzeug