Karthikeyan Singaravelan <tir.kar...@gmail.com> added the comment:
As noted in https://github.com/testing-cabal/mock/issues/464#issuecomment-490381389 just importing PySide2 makes __signature__ not writeable for any class defined after the import. $ python Python 3.8.0a4+ (heads/master:b1c3167c23, May 8 2019, 05:17:38) [GCC 5.4.0 20160609] on linux Type "help", "copyright", "credits" or "license" for more information. >>> class Foo: pass ... >>> Foo.__signature__ = 1 >>> import PySide2 >>> class Bar: pass ... >>> Bar.__signature__ = 1 Traceback (most recent call last): File "<stdin>", line 1, in <module> AttributeError: attribute '__signature__' of 'type' objects is not writable ---------- _______________________________________ Python tracker <rep...@bugs.python.org> <https://bugs.python.org/issue36848> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
