kesalahan pada coding python

h: syntax error: unexpected '('

Traceback (most recent call last):

File "jadul.py", line 176, in <module>

    loop.run_until_complete(main())

File "/data/data/com.termux/files/usr/lib/python3.8/asyncio/base_events.py", line 616, in run_until_complete

    return future.result()

File "jadul.py", line 160, in main

    await opening_link(username)

File "jadul.py", line 77, in opening_link

    url = posts.messages[0].reply_markup.rows[0].buttons[0].url

AttributeError: 'NoneType' object has no attribute 'rows'