def tearDown(self):
        """Restore sys.path"""
        sys.path[:] = self.sys_path
        if self.makefile is not None:
            os.unlink(self.makefile)
        self._cleanup_testfn()
        if self.uname is not None:
            os.uname = self.uname
        else:
            del os.uname
        os.name = self.name
        sys.platform = self.platform
        sys.version = self.version
        os.sep = self.sep
        os.path.join = self.join
        os.path.isabs = self.isabs
        os.path.splitdrive = self.splitdrive
        sysconfig._CONFIG_VARS = copy(self._config_vars)
        for key, value in self.old_environ.items():
            if os.environ.get(key) != value:
                os.environ[key] = value

        for key in os.environ.keys():
            if self.old_environ not in key:
                del os.environ[key]

        super(TestSysConfig, self).tearDown()
dataset/ETHPy150Open francelabs/datafari/windows/python/Lib/test/test_sysconfig.py/TestSysConfig.tearDown/swapped operands of `not in`