```
AttributeError: module 'posthog.queries.sessions' has no attribute 'Sessions'
(6 additional frame(s) were not displayed)
...
  File "posthog/api/dashboard.py", line 101, in get_items
    update_dashboard_items_cache(dashboard)
  File "posthog/tasks/update_cache.py", line 73, in update_dashboard_items_cache
    update_cache_item(cache_key, cache_type, payload)
  File "posthog/tasks/update_cache.py", line 64, in update_cache_item
    result = _calculate_by_filter(filter, key, team_id, cache_type)
  File "posthog/tasks/update_cache.py", line 144, in _calculate_by_filter
    insight_class = import_from(insight_class_path[0], insight_class_path[1])
  File "posthog/tasks/update_cache.py", line 132, in import_from
    return getattr(importlib.import_module(module), name)
```
posthog/api/test/test_dashboard.py
dashboard = Dashboard.objects.create(team=self.team, share_token="testtoken", name="public dashboard")
        response = self.client.post(
            "/api/dashboard_item/",
            {
                "dashboard": dashboard.pk,
                "name": "dashboard item",
                "last_refresh": now(),  
            },
        )
        self.assertEqual(response.status_code, status.HTTP_201_CREATED)
        dashboard_item = DashboardItem.objects.get()
        self.assertEqual(dashboard_item.name, "dashboard item")
        
        self.assertRegexpMatches(dashboard_item.short_id, r"[0-9A-Za-z_-]{8}")
    def test_token_auth(self):