当我尝试运行迁移时
"Migration urls in app *** has no Migration class"
? 我刚刚添加了新应用程序。
不知道该往哪个方向看。回溯:
C:\Users\PAPA\DEV\liberty\lib\site-packages\django\db\models\__init__.py:55:
RemovedInDjango19Warning: The utilities in django.db.models.loading are deprecated
in favor of the new application loading system.
from . import loading
Traceback (most recent call last): File "manage.py", line 22, in <module>
execute_from_command_line(sys.argv)
File "...\django\core\management\__init__.py", line 338, in execute_from_command_line
utility.execute()
File "...\django\core\management\__init__.py", line 330, in execute
self.fetch_command(subcommand).run_from_argv(self.argv)
File "...\django\core\management\base.py", line 390, in run_from_argv
self.execute(*args, **cmd_options)
File "...\django\core\management\base.py", line 441, in execute
output = self.handle(*args, **options)
File "...\django\core\management\commands\makemigrations.py", line 63, in handle
loader = MigrationLoader(None, ignore_no_migrations=True)
File "...\django\db\migrations\loader.py", line 47, in __init__
self.build_graph()
File "...\django\db\migrations\loader.py", line 174, in build_graph
self.load_disk()
File "...\django\db\migrations\loader.py", line 109, in load_disk
"Migration %s in app %s has no Migration class" % (migration_name, app_config.label)
django.db.migrations.loader.BadMigrationError: Migration urls in app expense has no
Migration class
