I am new to Flask and Babel and I have just started a project which will contain several languages. After I have generated the babel.cfg file, when I attempt to extract it with the command pybabel extract -F babel.cfg -o messages.pot ., I get the AttributeError: module 'jinja2.ext' has no attribute 'autoescape' error.
What can be the reason for this error and how can I fix it?
Thank you
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Answer
With Jinja2 3.1, WithExtension and AutoEscapeExtension are built-in now. So you don’t need these extensions anymore.
Delete these extension from babel.cfg file
[python: **.py] [jinja2: **/templates/**.html] ;extensions=jinja2.ext.auto escape,jinja2.ext.with_
https://jinja.palletsprojects.com/en/3.1.x/changes/#version-3-0-0