python manage.py migrate 执行后，主要表现最后一行的ModuleNotFoundError，但是我的Django版本是2.0以上，我又更改whoosh_cn_backend为whoosh_backend时运行，同样失败。求解，不懂。。。
(venv) D:\Django源码\blog>python manage.py migrate Operations to perform: Apply all migrations: admin, auth, contenttypes, sessions, storm, user Running migrations: Applying contenttypes.0002_remove_content_type_name...Traceback (most recent call last): File "manage.py", line 22, in <module> execute_from_command_line(sys.argv) File "C:\Users\Administrator\PycharmProjects\untitled\venv\lib\site-packages\django\core\management\__init__.py", line 381, in execute_from_comma nd_line utility.execute() File "C:\Users\Administrator\PycharmProjects\untitled\venv\lib\site-packages\django\core\management\__init__.py", line 375, in execute self.fetch_command(subcommand).run_from_argv(self.argv) File "C:\Users\Administrator\PycharmProjects\untitled\venv\lib\site-packages\django\core\management\base.py", line 323, in run_from_argv self.execute(*args, **cmd_options) File "C:\Users\Administrator\PycharmProjects\untitled\venv\lib\site-packages\django\core\management\base.py", line 364, in execute output = self.handle(*args, **options) File "C:\Users\Administrator\PycharmProjects\untitled\venv\lib\site-packages\django\core\management\base.py", line 83, in wrapped res = handle_func(*args, **kwargs) File "C:\Users\Administrator\PycharmProjects\untitled\venv\lib\site-packages\django\core\management\commands\migrate.py", line 234, in handle fake_initial=fake_initial, File "C:\Users\Administrator\PycharmProjects\untitled\venv\lib\site-packages\django\db\migrations\executor.py", line 117, in migrate state = self._migrate_all_forwards(state, plan, full_plan, fake=fake, fake_initial=fake_initial) File "C:\Users\Administrator\PycharmProjects\untitled\venv\lib\site-packages\django\db\migrations\executor.py", line 147, in _migrate_all_forward s state = self.apply_migration(state, migration, fake=fake, fake_initial=fake_initial) File "C:\Users\Administrator\PycharmProjects\untitled\venv\lib\site-packages\django\db\migrations\executor.py", line 246, in apply_migration self.record_migration(migration) File "C:\Users\Administrator\PycharmProjects\untitled\venv\lib\site-packages\django\db\migrations\executor.py", line 261, in record_migration self.recorder.record_applied(migration.app_label, migration.name) File "C:\Users\Administrator\PycharmProjects\untitled\venv\lib\site-packages\django\db\migrations\recorder.py", line 83, in record_applied self.migration_qs.create(app=app, name=name) File "C:\Users\Administrator\PycharmProjects\untitled\venv\lib\site-packages\django\db\models\query.py", line 422, in create obj.save(force_insert=True, using=self.db) File "C:\Users\Administrator\PycharmProjects\untitled\venv\lib\site-packages\django\db\models\base.py", line 741, in save force_update=force_update, update_fields=update_fields) File "C:\Users\Administrator\PycharmProjects\untitled\venv\lib\site-packages\django\db\models\base.py", line 790, in save_base update_fields=update_fields, raw=raw, using=using, File "C:\Users\Administrator\PycharmProjects\untitled\venv\lib\site-packages\django\dispatch\dispatcher.py", line 175, in send for receiver in self._live_receivers(sender) File "C:\Users\Administrator\PycharmProjects\untitled\venv\lib\site-packages\django\dispatch\dispatcher.py", line 175, in <listcomp> for receiver in self._live_receivers(sender) File "C:\Users\Administrator\PycharmProjects\untitled\venv\lib\site-packages\haystack\signals.py", line 51, in handle_save index = self.connections[using].get_unified_index().get_index(sender) File "C:\Users\Administrator\PycharmProjects\untitled\venv\lib\site-packages\haystack\utils\loading.py", line 109, in __getitem__ self.thread_local.connections[key] = load_backend(self.connections_info[key]['ENGINE'])(using=key) File "C:\Users\Administrator\PycharmProjects\untitled\venv\lib\site-packages\haystack\utils\loading.py", line 60, in load_backend return import_class(full_backend_path) File "C:\Users\Administrator\PycharmProjects\untitled\venv\lib\site-packages\haystack\utils\loading.py", line 27, in import_class module_itself = importlib.import_module(module_path) File "D:\Python37\lib\importlib\__init__.py", line 127, in import_module return _bootstrap._gcd_import(name[level:], package, level) File "<frozen importlib._bootstrap>", line 1006, in _gcd_import File "<frozen importlib._bootstrap>", line 983, in _find_and_load File "<frozen importlib._bootstrap>", line 965, in _find_and_load_unlocked ModuleNotFoundError: No module named 'storm.whoosh_cn_backend'
