Error at CustomLocation class

[DrMartiner]

Trace log:

  File "/path/.virtualenv/lib/python2.7/site-packages/django/core/handlers/base.py", line 223, in get_response
    response = middleware_method(request, response)
  File "/path/.virtualenv/lib/python2.7/site-packages/django_geoip/middleware.py", line 24, in process_response
    storage = storage_class(request=request, response=response)
  File "/path/.virtualenv/lib/python2.7/site-packages/django_geoip/storage.py", line 16, in __init__
    self.location_model = get_class(settings.GEOIP_LOCATION_MODEL)
  File "/path/.virtualenv/lib/python2.7/site-packages/django_geoip/utils.py", line 10, in get_class
    cls = getattr(__import__(mod_name, {}, {}, ['']), class_name)
  File "/path/src/apps/city/models.py", line 37, in <module>
    class CustomLocation(GeoLocationFacade):
  File "/path/.virtualenv/lib/python2.7/abc.py", line 87, in __new__
    cls = super(ABCMeta, mcls).__new__(mcls, name, bases, namespace)
  File "/path/.virtualenv/lib/python2.7/site-packages/django/db/models/base.py", line 309, in __new__
    new_class._meta.apps.register_model(new_class._meta.app_label, new_class)
  File "/path/.virtualenv/lib/python2.7/site-packages/django/apps/registry.py", line 221, in register_model
    (model_name, app_label, app_models[model_name], model))
RuntimeError: Conflicting 'customlocation' models in application 'city': <class 'apps.city.models.CustomLocation'> and <class 'city.models.CustomLocation'>.

CustomLocation class:

class CustomLocation(GeoLocationFacade):
    name = models.CharField(max_length=100)
    is_default = models.BooleanField(default=False)

    def __unicode__(self):
        return self.name

    @classmethod
    def get_by_ip_range(cls, ip_range):
        return ip_range

    @classmethod
    def get_default_location(cls):
        return cls.objects.get(is_default=True)

    @classmethod
    def get_available_locations(cls):
        return cls.objects.all()

[coagulant]

RuntimeError: Conflicting 'customlocation' models in application 'city': <class 'apps.city.models.CustomLocation'> and <class 'city.models.CustomLocation'>.

Looks like you're importing CustomLocation from different places in sys.path.