Unable to parser server version from Yugabyte #771

  File "/home/ajung/src/fastapi/lib/python3.8/site-packages/asyncpg/connection.py", line 86, in __init__
    serverversion.split_server_version_string(ver_string)
  File "/home/ajung/src/fastapi/lib/python3.8/site-packages/asyncpg/serverversion.py", line 50, in split_server_version_string
    versions = [int(p) for p in parts][:3]
  File "/home/ajung/src/fastapi/lib/python3.8/site-packages/asyncpg/serverversion.py", line 50, in <listcomp>
    versions = [int(p) for p in parts][:3]
ValueError: invalid literal for int() with base 10: '2-YB-2'

> /home/ajung/src/fastapi/lib/python3.8/site-packages/asyncpg/serverversion.py(51)split_server_version_string()
-> versions = [int(p) for p in parts][:3]
(Pdb) pp parts
['11', 0, '2-YB-2', '4', '1', '0']