Don't treat .pyc/pyo files as migrations. Refs #23237 among others.

                    six.moves.reload_module(module)

            self.migrated_apps.add(app_config.label)

            directory = os.path.dirname(module.__file__)

            # Scan for .py[c|o] files

            # Scan for .py files

            migration_names = set()

            for name in os.listdir(directory):

                if name.endswith(".py") or name.endswith(".pyc") or name.endswith(".pyo"):

                if name.endswith(".py"):

                    import_name = name.rsplit(".", 1)[0]

                    if import_name[0] not in "_.~":

                        migration_names.add(import_name)