GeoDjango issues on Django 1.11.dev version

[Satish V Madala]

Am Using postgis as a backend and makemigrations threw back the error:

Traceback (most recent call last):
  File "manage.py", line 22, in <module>
    execute_from_command_line(sys.argv)
  File "/home/satish/work/django/django/core/management/__init__.py", line 366, in execute_from_command_line
    utility.execute()
  File "/home/satish/work/django/django/core/management/__init__.py", line 358, in execute
    self.fetch_command(subcommand).run_from_argv(self.argv)
  File "/home/satish/work/django/django/core/management/base.py", line 294, in run_from_argv
    self.execute(*args, **cmd_options)
  File "/home/satish/work/django/django/core/management/base.py", line 345, in execute
    output = self.handle(*args, **options)
  File "/home/satish/work/django/django/core/management/commands/makemigrations.py", line 173, in handle
    migration_name=self.migration_name,
  File "/home/satish/work/django/django/db/migrations/autodetector.py", line 47, in changes
    changes = self._detect_changes(convert_apps, graph)
  File "/home/satish/work/django/django/db/migrations/autodetector.py", line 198, in _detect_changes
    self._optimize_migrations()
  File "/home/satish/work/django/django/db/migrations/autodetector.py", line 362, in _optimize_migrations
    migration.operations = MigrationOptimizer().optimize(migration.operations, app_label=app_label)
  File "/home/satish/work/django/django/db/migrations/optimizer.py", line 38, in optimize
    result = self.optimize_inner(operations, app_label)
  File "/home/satish/work/django/django/db/migrations/optimizer.py", line 53, in optimize_inner
    result = operation.reduce(other, in_between, app_label)
  File "/home/satish/work/django/django/db/migrations/operations/models.py", line 213, in reduce
    return super(CreateModel, self).reduce(operation, in_between, app_label=app_label)
  File "/home/satish/work/django/django/db/migrations/operations/models.py", line 39, in reduce
    not operation.references_model(self.name, app_label)
  File "/home/satish/work/django/django/db/migrations/operations/models.py", line 119, in references_model
    model_app_label, model_name = self.model_to_key(model)
  File "/home/satish/work/django/django/db/migrations/operations/models.py", line 133, in model_to_key
    return model._meta.app_label, model._meta.object_name
AttributeError: type object 'SpatialRefSysMixin' has no attribute '_meta'

Is GeoDjango not ready for 1.11 dev version yet?