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ERROR: testActivation (users.tests.RegistrationModelTests)
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Traceback (most recent call last):
  File "/home/binary/trunk/aguila/apps/users/tests.py", line 97, in testActivation
    RegistrationProfile.objects.get(user=self.user).activation_key).pk,
  File "/home/binary/trunk/aguila/apps/users/models.py", line 43, in activate_user
    user_activated.send(sender=self.model, user=user)
  File "/home/binary/trunk/aguila/libs/django/django/dispatch/dispatcher.py", line 166, in send
    response = receiver(signal=self, sender=sender, **named)
  File "/home/binary/trunk/aguila/apps/city/models.py", line 311, in create_city
    y=random.randint(-399,399))
  File "/home/binary/trunk/aguila/libs/django/django/db/models/manager.py", line 120, in get
    return self.get_query_set().get(*args, **kwargs)
  File "/home/binary/trunk/aguila/libs/django/django/db/models/query.py", line 305, in get
    % self.model._meta.object_name)
DoesNotExist: City matching query does not exist.

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ERROR: testActivation (users.tests.RegistrationViewTests)
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Traceback (most recent call last):
  File "/home/binary/trunk/aguila/apps/users/tests.py", line 239, in testActivation
    kwargs={ 'activation_key': activation_key }))
  File "/home/binary/trunk/aguila/libs/django/django/test/client.py", line 281, in get
    response = self.request(**r)
  File "/home/binary/trunk/aguila/libs/django/django/test/client.py", line 225, in request
    response = self.handler(environ)  
  File "/home/binary/trunk/aguila/libs/django/django/test/client.py", line 69, in __call__
    response = self.get_response(request)
  File "/home/binary/trunk/aguila/libs/django/django/core/handlers/base.py", line 134, in get_response
    return self.handle_uncaught_exception(request, resolver, exc_info)
  File "/home/binary/trunk/aguila/libs/django/django/core/handlers/base.py", line 166, in handle_uncaught_exception
    return callback(request, **param_dict)
  File "/home/binary/trunk/aguila/libs/django/django/views/defaults.py", line 24, in server_error
    return http.HttpResponseServerError(t.render(Context({})))
  File "/home/binary/trunk/aguila/libs/django/django/test/utils.py", line 29, in instrumented_test_render
    return self.nodelist.render(context)
  File "/home/binary/trunk/aguila/libs/django/django/template/__init__.py", line 779, in render
    bits.append(self.render_node(node, context))
  File "/home/binary/trunk/aguila/libs/django/django/template/__init__.py", line 792, in render_node
    return node.render(context)
  File "/home/binary/trunk/aguila/libs/django/django/template/loader_tags.py", line 97, in render
    return compiled_parent.render(context)
  File "/home/binary/trunk/aguila/libs/django/django/test/utils.py", line 29, in instrumented_test_render
    return self.nodelist.render(context)
  File "/home/binary/trunk/aguila/libs/django/django/template/__init__.py", line 779, in render
    bits.append(self.render_node(node, context))
  File "/home/binary/trunk/aguila/libs/django/django/template/__init__.py", line 792, in render_node
    return node.render(context)
  File "/home/binary/trunk/aguila/libs/django/django/template/defaulttags.py", line 244, in render
    return self.nodelist_false.render(context)
  File "/home/binary/trunk/aguila/libs/django/django/template/__init__.py", line 779, in render
    bits.append(self.render_node(node, context))
  File "/home/binary/trunk/aguila/libs/django/django/template/__init__.py", line 792, in render_node
    return node.render(context)
  File "/home/binary/trunk/aguila/libs/django/django/template/defaulttags.py", line 382, in render
    raise e
NoReverseMatch: Reverse for 'users_show_cities' with arguments '('',)' and keyword arguments '{}' not found.