Update app.py

app.py

@@ -246,23 +246,25 @@ def get_app_db_collections(appname: Optional[str] = None):
     Returns (media_clicks_collection, subcategories_collection)
     based on appname.
     """
+
     if appname:
         app = appname.strip().lower()
 
         if app == "collage-maker":
-            if collage_media_clicks_col and subcategories_col:
+            if collage_media_clicks_col is not None and subcategories_col is not None:
                 return collage_media_clicks_col, subcategories_col
             logger.warning("Collage-maker DB not configured, falling back to admin")
 
         elif app == "ai-enhancer":
-            if ai_enhancer_media_clicks_col and ai_enhancer_subcategories_col:
+            if ai_enhancer_media_clicks_col is not None and ai_enhancer_subcategories_col is not None:
                 return ai_enhancer_media_clicks_col, ai_enhancer_subcategories_col
             logger.warning("AI-Enhancer DB not configured, falling back to admin")
 
-    # default
+    # default fallback
     return media_clicks_col, subcategories_col
 
 
+
 # --------------------- Logging API Hits ---------------------
 async def log_faceswap_hit(token: str, status: str = "success"):
     global database