```
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/settings.py
]
# 
INSTALLED_APPS = [
    "whitenoise.runserver_nostatic",  # 
    "django.contrib.admin",
    "django.contrib.auth",
    "django.contrib.contenttypes",
    "django.contrib.sessions",
    "django.contrib.messages",
    "django.contrib.staticfiles",
    "posthog.apps.PostHogConfig",
    "rest_framework",
    "loginas",
    "corsheaders",
    "social_django",
    "django_filters",
    "axes",
]
MIDDLEWARE = [
    "django.middleware.security.SecurityMiddleware",
    "posthog.middleware.AllowIP",
    "django.contrib.sessions.middleware.SessionMiddleware",
    "posthog.middleware.ToolbarCookieMiddleware",
    "corsheaders.middleware.CorsMiddleware",
    "django.middleware.common.CommonMiddleware",
    "posthog.middleware.CsrfOrKeyViewMiddleware",
    "django.contrib.auth.middleware.AuthenticationMiddleware",
    "django.contrib.messages.middleware.MessageMiddleware",
    "django.middleware.clickjacking.XFrameOptionsMiddleware",
    "whitenoise.middleware.WhiteNoiseMiddleware",