Bug

[AmericanY]

Traceback (most recent call last):
  File "/root/american/script.py", line 103, in <module>
    trio.run(main, parser.parse_args())
  File "/usr/local/lib/python3.9/site-packages/trio/_core/_run.py", line 1932, in run
    raise runner.main_task_outcome.error
  File "/root/american/script.py", line 80, in main
    nurse.start_soon(
  File "/usr/local/lib/python3.9/site-packages/trio/_core/_run.py", line 815, in __aexit__
    raise combined_error_from_nursery
  File "/root/american/script.py", line 35, in worker
    async with trio_mysql.connect(host=ip, user=user, password=password, connect_timeout=2) as connection:
  File "/usr/local/lib/python3.9/site-packages/trio_mysql/connections.py", line 616, in __aenter__
    await self.connect()
  File "/usr/local/lib/python3.9/site-packages/trio_mysql/connections.py", line 669, in connect
    await self._get_server_information()
  File "/usr/local/lib/python3.9/site-packages/trio_mysql/connections.py", line 1105, in _get_server_information
    packet = await self._read_packet()
  File "/usr/local/lib/python3.9/site-packages/trio_mysql/connections.py", line 742, in _read_packet
    raise err.InternalError(
trio_mysql.err.InternalError: Packet sequence number wrong - got 1 expected 0

[AmericanY]

Update: after checking the following issue PyMySQL#971 and capturing the packet. i found that's due to MariaDB server response Host 'x.x.x.x' is not allowed to connect to this MariaDB server

So i think it's will be better to catch the response itself.