Properly handle address-related errors by expecting socket.gaierror instead of errno code.
Properly handle address-related errors by expecting socket.gaierror instead of errno code.

In case of unresolvable hostname or IPv6 address specified as 'host' setting.
It would throw completely different errno on Linux (-2) or Windows (11004), when expecting errno (8).

martomo/SublimeTextXdebug,martomo/SublimeTextXdebug,martomo/SublimeTextXdebug