Update app.py

app.py

@@ -242,7 +242,11 @@ async def fb_post_detail(username: Optional[str] = None, post_id: Optional[str]
             post_id = url.split("/")[-1]
         try:
             post_details = requests.get(f"https://graph.facebook.com/v20.0/1066512588151225_{post_id}?fields=place,shares,targeting,updated_time,created_time,description,child_attachments,caption,event,message,message_tags,story,status_type,source,coordinates,backdated_time,story_tags,scheduled_publish_time,properties,attachments&access_token={api_access_key}").json()
-            date = post_details.get("updated_date")
+            if post_details.get("updated_date"):
+                date = post_details.get("updated_date")
+            else:
+                date = post_details.get("created_date")
+            
         except Exception as e:
             print(e)