Format backend image helpers

Author: VanshajPoonia

backend/app/database/images.py

@@ -457,18 +457,22 @@ def db_toggle_image_favourite_status(image_id: str) -> bool:
     finally:
         conn.close()
 
+
 def db_get_image_by_id(image_id: str) -> Optional[dict]:
     """
     Get a single image by ID with its favorite status.
     """
     conn = _connect()
     cursor = conn.cursor()
     try:
-        cursor.execute("""
+        cursor.execute(
+            """
             SELECT id, path, folder_id, thumbnailPath, metadata, isTagged, isFavourite
             FROM images
             WHERE id = ?
-        """, (image_id,))
+        """,
+            (image_id,),
+        )
         row = cursor.fetchone()
         if not row:
             return None
@@ -488,6 +492,7 @@ def db_get_image_by_id(image_id: str) -> Optional[dict]:
     finally:
         conn.close()
 
+
 # ============================================================================
 # MEMORIES FEATURE - Location and Time-based Queries
 # ============================================================================

backend/app/routes/images.py

@@ -106,15 +106,15 @@ def toggle_favourite(req: ToggleFavouriteRequest):
         success = db_toggle_image_favourite_status(image_id)
         if not success:
             raise HTTPException(
-                status_code=status.HTTP_404_NOT_FOUND, 
-                detail="Image not found or failed to toggle"
+                status_code=status.HTTP_404_NOT_FOUND,
+                detail="Image not found or failed to toggle",
             )
         # Fetch updated status to return
         image = db_get_image_by_id(image_id)
         if not image:
             raise HTTPException(
-                status_code=status.HTTP_404_NOT_FOUND, 
-                detail="Image not found after toggle"
+                status_code=status.HTTP_404_NOT_FOUND,
+                detail="Image not found after toggle",
             )
         return {
             "success": True,
@@ -126,10 +126,11 @@ def toggle_favourite(req: ToggleFavouriteRequest):
     except Exception as e:
         logger.error(f"error in /toggle-favourite route: {e}")
         raise HTTPException(
-            status_code=status.HTTP_500_INTERNAL_SERVER_ERROR, 
-            detail=f"Internal server error: {e}"
+            status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
+            detail=f"Internal server error: {e}",
         )
 
+
 class ImageInfoResponse(BaseModel):
     id: str
     path: str