title: Django migrations error KeyError: ('list', u'user')
body: <p>I am trying to run</p>
  
  <pre><code>python manage.py migrate
  </code></pre>
  
  <p>or</p>
  
  <pre><code>python manage.py makemigrations
  </code></pre>
  
  <p>I got this error:</p>
  
  <pre><code>Running migrations:
    No migrations to apply.
  Traceback (most recent call last):
    File "manage.py", line 10, in &lt;module&gt;
      execute_from_command_line(sys.argv)
    File "/Users/rostunov/temp/venv/lib/python2.7/site-packages/django/core/management/__init__.py", line 353, in execute_from_command_line
      utility.execute()
    File "/Users/rostunov/temp/venv/lib/python2.7/site-packages/django/core/management/__init__.py", line 345, in execute
      self.fetch_command(subcommand).run_from_argv(self.argv)
    File "/Users/rostunov/temp/venv/lib/python2.7/site-packages/django/core/management/base.py", line 348, in run_from_argv
      self.execute(*args, **cmd_options)
    File "/Users/rostunov/temp/venv/lib/python2.7/site-packages/django/core/management/base.py", line 399, in execute
      output = self.handle(*args, **options)
    File "/Users/rostunov/temp/venv/lib/python2.7/site-packages/django/core/management/commands/migrate.py", line 183, in handle
      executor.loader.project_state(),
    File "/Users/rostunov/temp/venv/lib/python2.7/site-packages/django/db/migrations/loader.py", line 338, in project_state
      return self.graph.make_state(nodes=nodes, at_end=at_end, real_apps=list(self.unmigrated_apps))
    File "/Users/rostunov/temp/venv/lib/python2.7/site-packages/django/db/migrations/graph.py", line 280, in make_state
      project_state = self.nodes[node].mutate_state(project_state, preserve=False)
    File "/Users/rostunov/temp/venv/lib/python2.7/site-packages/django/db/migrations/migration.py", line 88, in mutate_state
      operation.state_forwards(self.app_label, new_state)
    File "/Users/rostunov/temp/venv/lib/python2.7/site-packages/django/db/migrations/operations/models.py", line 547, in state_forwards
      model_state = state.models[app_label, self.name_lower]
  KeyError: ('list', u'user')
  </code></pre>
  
  <p>It happen after I pulled another version of my app from the git.</p>
  
  <p>I don't have this error with the same code on the another machine.
  I've tried to use <code>--fake</code> with <code>zero</code> or to <code>squashmigrations</code> to previous but this also doesn't help.</p>
  
  <p>Cannot get how to solve it.</p>