Import def (of class MainWindow) for another file .py

Logan12

When I trie import a def, I recieve this output (image). How I can import?

SGaist

Hi and welcome to devnet,

From your code, you are not creating a QApplication object before your widget.

Logan12

Thank you :) .

I'm noob. Do you can teach how I do this?

jsulm

Jaime02

@Logan12
You are using PyCharm, and it does not always catch the errors. Try doing this:

Check that option and you will see a proper error traceback