Refactor test utilities and enhance ASGI settings

- Cleaned up and standardized assertions in ApiTestMixin for API response validation.
- Updated ASGI settings to use os.environ for setting the DJANGO_SETTINGS_MODULE.
- Removed unused imports and improved formatting in settings.py.
- Refactored URL patterns in urls.py for better readability and organization.
- Enhanced view functions in views.py for consistency and clarity.
- Added .flake8 configuration for linting and style enforcement.
- Introduced type stubs for django-environ to improve type checking with Pylance.

core/urls/search.py

@@ -3,19 +3,22 @@ from core.views.search import (
     AdaptiveSearchView,
     FilterFormView,
     LocationSearchView,
-    LocationSuggestionsView
+    LocationSuggestionsView,
 )
 from rides.views import RideSearchView
 
-app_name = 'search'
+app_name = "search"
 
 urlpatterns = [
-    path('parks/', AdaptiveSearchView.as_view(), name='search'),
-    path('parks/filters/', FilterFormView.as_view(), name='filter_form'),
-    path('rides/', RideSearchView.as_view(), name='ride_search'),
-    path('rides/results/', RideSearchView.as_view(), name='ride_search_results'),
-    
+    path("parks/", AdaptiveSearchView.as_view(), name="search"),
+    path("parks/filters/", FilterFormView.as_view(), name="filter_form"),
+    path("rides/", RideSearchView.as_view(), name="ride_search"),
+    path("rides/results/", RideSearchView.as_view(), name="ride_search_results"),
     # Location-aware search
-    path('location/', LocationSearchView.as_view(), name='location_search'),
-    path('location/suggestions/', LocationSuggestionsView.as_view(), name='location_suggestions'),
-]
+    path("location/", LocationSearchView.as_view(), name="location_search"),
+    path(
+        "location/suggestions/",
+        LocationSuggestionsView.as_view(),
+        name="location_suggestions",
+    ),
+]