This refactoring aims to flip the value of a Boolean variable and all its usages from True to False and vice versa.
def foo(): abc = True return abc
def foo(): abc = False return not abc
To invert a Boolean variable, follow these steps
Place the caret at the name of a Boolean variable.
From the main menu, choose.
In the dialog that opens, click Preview to view the suggested changes in the Find tool window, or Refactor to invert the detected occurrences silently.