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.

config/django/test_accounts.py

@@ -2,24 +2,22 @@
 Test Django settings for thrillwiki accounts app.
 """
 
-from .base import *
-
 # Use in-memory database for tests
 DATABASES = {
-    'default': {
-        'ENGINE': 'django.contrib.gis.db.backends.postgis',
-        'NAME': 'test_db',
+    "default": {
+        "ENGINE": "django.contrib.gis.db.backends.postgis",
+        "NAME": "test_db",
     }
 }
 
 # Use a faster password hasher for tests
 PASSWORD_HASHERS = [
-    'django.contrib.auth.hashers.MD5PasswordHasher',
+    "django.contrib.auth.hashers.MD5PasswordHasher",
 ]
 
 # Disable whitenoise for tests
 WHITENOISE_AUTOREFRESH = True
-STATICFILES_STORAGE = 'whitenoise.storage.CompressedManifestStaticFilesStorage'
+STATICFILES_STORAGE = "whitenoise.storage.CompressedManifestStaticFilesStorage"
 
 INSTALLED_APPS = [
     "django.contrib.admin",
@@ -42,5 +40,5 @@ INSTALLED_APPS = [
     "media.apps.MediaConfig",
 ]
 
-GDAL_LIBRARY_PATH = '/opt/homebrew/lib/libgdal.dylib'
-GEOS_LIBRARY_PATH = '/opt/homebrew/lib/libgeos_c.dylib'
+GDAL_LIBRARY_PATH = "/opt/homebrew/lib/libgdal.dylib"
+GEOS_LIBRARY_PATH = "/opt/homebrew/lib/libgeos_c.dylib"