AssertionError: 1 != 0 : bad returncode 1, stderr is 'Traceback (most recent call last):\n File \x1b[35m"test_frozenmain.py"\x1b[0m, line \x1b[35m4\x1b[0m, in \x1b[35m<module>\x1b[0m\n\x1b[1;35mNameError\x1b[0m: \x1b[35mname \'sys\' is not defined. Did you forget to import \'sys\'?\x1b[0m\n'