277     def _fix_ns_for_legacy_pyc(self, ns, alter_sys):  argument
285         if alter_sys:
289     def _check_module(self, depth, alter_sys=False,  argument
304         if alter_sys:
311             return run_module(mod_name, init_globals, alter_sys=alter_sys)
323                 self._fix_ns_for_legacy_pyc(expected_ns, alter_sys)
329     def _check_package(self, depth, alter_sys=False,  argument
345         if alter_sys:
352             return run_module(pkg_name, init_globals, alter_sys=alter_sys)
364                 self._fix_ns_for_legacy_pyc(expected_ns, alter_sys)
519             self._check_module(depth, alter_sys=True)
524             self._check_package(depth, alter_sys=True)