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.

accounts/migrations/0001_initial.py

@@ -33,7 +33,10 @@ class Migration(migrations.Migration):
                         verbose_name="ID",
                     ),
                 ),
-                ("password", models.CharField(max_length=128, verbose_name="password")),
+                (
+                    "password",
+                    models.CharField(max_length=128, verbose_name="password"),
+                ),
                 (
                     "last_login",
                     models.DateTimeField(
@@ -78,7 +81,9 @@ class Migration(migrations.Migration):
                 (
                     "email",
                     models.EmailField(
-                        blank=True, max_length=254, verbose_name="email address"
+                        blank=True,
+                        max_length=254,
+                        verbose_name="email address",
                     ),
                 ),
                 (
@@ -100,7 +105,8 @@ class Migration(migrations.Migration):
                 (
                     "date_joined",
                     models.DateTimeField(
-                        default=django.utils.timezone.now, verbose_name="date joined"
+                        default=django.utils.timezone.now,
+                        verbose_name="date joined",
                     ),
                 ),
                 (
@@ -274,7 +280,10 @@ class Migration(migrations.Migration):
         migrations.CreateModel(
             name="TopListEvent",
             fields=[
-                ("pgh_id", models.AutoField(primary_key=True, serialize=False)),
+                (
+                    "pgh_id",
+                    models.AutoField(primary_key=True, serialize=False),
+                ),
                 ("pgh_created_at", models.DateTimeField(auto_now_add=True)),
                 ("pgh_label", models.TextField(help_text="The event label.")),
                 ("id", models.BigIntegerField()),
@@ -369,7 +378,10 @@ class Migration(migrations.Migration):
         migrations.CreateModel(
             name="TopListItemEvent",
             fields=[
-                ("pgh_id", models.AutoField(primary_key=True, serialize=False)),
+                (
+                    "pgh_id",
+                    models.AutoField(primary_key=True, serialize=False),
+                ),
                 ("pgh_created_at", models.DateTimeField(auto_now_add=True)),
                 ("pgh_label", models.TextField(help_text="The event label.")),
                 ("id", models.BigIntegerField()),
@@ -451,7 +463,10 @@ class Migration(migrations.Migration):
                         unique=True,
                     ),
                 ),
-                ("avatar", models.ImageField(blank=True, upload_to="avatars/")),
+                (
+                    "avatar",
+                    models.ImageField(blank=True, upload_to="avatars/"),
+                ),
                 ("pronouns", models.CharField(blank=True, max_length=50)),
                 ("bio", models.TextField(blank=True, max_length=500)),
                 ("twitter", models.URLField(blank=True)),