小编A. *_*urb的帖子

我正在将我的Django App从Django 1.5.5 tot 1.9升级,Django-cms从2.4.3升级到3.3(以及所有相应的软件包).

在我仔细研究了折旧函数的所有错误之后,我现在偶然发现了一个我无法理解的错误:'没有名为migration的模块'

我在运行时遇到这个错误(在virtualenv中): - python manage.py runserver以及运行时 - python manage.py migrate

Traceback (most recent call last):
  File "manage.py", line 20, in <module>
    execute_from_command_line(sys.argv)
  File "/var/www/env/local/lib/python2.7/site-packages/django/core/management/__init__.py", line 350, in execute_from_command_line
    utility.execute()
  File "/var/www/env/local/lib/python2.7/site-packages/django/core/management/__init__.py", line 342, in execute
    self.fetch_command(subcommand).run_from_argv(self.argv)
  File "/var/www/env/local/lib/python2.7/site-packages/django/core/management/__init__.py", line 195, in fetch_command
    klass = load_command_class(app_name, subcommand)
  File "/var/www/env/local/lib/python2.7/site-packages/django/core/management/__init__.py", line 39, in load_command_class
    module = import_module('%s.management.commands.%s' % (app_name, name))
  File "/usr/lib/python2.7/importlib/__init__.py", line 37, in import_module
    __import__(name)
  File "/var/www/env/local/lib/python2.7/site-packages/django/core/management/commands/migrate.py", line 16, in <module>
    from django.db.migrations.autodetector import MigrationAutodetector …