how to set charset?

[c-hui]

If I use set names latin1 in query, hava error like:

lib/python3.8/site-packages/aiomysql/connection.py in _read_row_from_packet(self, packet)
   1227             if data is not None:
   1228                 if encoding is not None:
-> 1229                     data = data.decode(encoding)
   1230                 if converter is not None:
   1231                     data = converter(data)

UnicodeDecodeError: 'utf-8' codec can't decode byte 0xd0 in position 0: invalid continuation byte