When I upgrade dash to 2.9.3 I have this error (AttributeError: module 'flask' has no attribute 'Flask')

Hello all,

I updated my dash version into 2.9.3 because I need to import Patch package
but I have this error and I don’t understand why

This is a sample of code that raised this error

1 Like

Can anyone help me? :thinking:

Hello @DoaaElbanaa,

I’d try installing again. If that doesnt work, try uninstalling Flask and then installing flask==2.2.2, werkzeug=2.2.2.