fix session

bot.py

@@ -114,9 +114,10 @@ chat_id = message.chat.id)
 async def send_topchat(message: types.Message):
     changechat_id = session.query(user).filter(user.user_id == message.from_user.id).first()
     chats = message.chat.id 
-    changechat_id.chat_id = chats
-    session.commit() 
-    session.close()
+    if changechat_id.chat_id != chats:
+        changechat_id.chat_id = chats
+        session.commit() 
+        session.close()
     top = session.query(user.user_fullname, user.dick_size).order_by(user.dick_size.desc()).filter(user.chat_id == chats).limit(10).all()
 
     delimiter = ': '