style: format code for improved readability and consistency across multiple files

backend/app/main.py

@@ -6,8 +6,8 @@ from contextlib import asynccontextmanager
 from typing import TYPE_CHECKING, Any
 
 from fastapi import APIRouter, FastAPI, status
-from fastapi.openapi.utils import get_openapi
 from fastapi.middleware.cors import CORSMiddleware
+from fastapi.openapi.utils import get_openapi
 from fastapi_pagination import add_pagination
 
 from app.api.activity import router as activity_router
@@ -397,7 +397,9 @@ def _inject_tagged_operation_openapi_docs(openapi_schema: dict[str, Any]) -> Non
                         continue
                     response_content = response.get("content")
                     if isinstance(response_content, dict):
-                        _inject_json_content_example(content=response_content, components=components)
+                        _inject_json_content_example(
+                            content=response_content, components=components
+                        )
 
 
 @asynccontextmanager