194         address_family = getattr(socket, 'AF_INET6', None)

   194         address_family = getattr(socket, 'AF_INET6', None)

   195 

   195 

   196         def __init__(self, *args, **kwargs):

   196         def __init__(self, *args, **kwargs):

   197             if self.address_family is None:

   197             if self.address_family is None:

   198                 raise hg.RepoError(_('IPv6 not available on this system'))

   198                 raise hg.RepoError(_('IPv6 not available on this system'))

   200 

   200 

   201     if use_ipv6:

   201     if use_ipv6:

   202         return IPv6HTTPServer((address, port), _hgwebhandler)

   202         return IPv6HTTPServer((address, port), _hgwebhandler)

   203     else:

   203     else:

   204         return MercurialHTTPServer((address, port), _hgwebhandler)

   204         return MercurialHTTPServer((address, port), _hgwebhandler)