Fix .ssh/forward.py exceptions for python2/3 compat

###+++--- GPGConf ---+++###

default-cache-ttl 600

max-cache-ttl 6000

enable-ssh-support

###+++--- GPGConf ---+++### Tue 20 Feb 2018 00:15:04 GMT

# GPGConf edited this configuration file.

# It will disable options before this marked block, but it will

# never change anything below these lines.

			sock.settimeout(2)

			try:

				sock.connect(addr)

			except (OSError, socket.timeout):

			except (IOError, socket.timeout) as e:

				sock.close()

				sock = None

				exc = e

			else:

				break

		if sock is None:

			raise OSError("Unable to connect to %s:%s" % (host, port))

			raise exc

		sock.settimeout(0)

		return cls(sock, sock)

if __name__ == '__main__':

	try:

		main()

	except OSError as exc:

	except IOError as exc:

		sys.stderr.write("Connection failed: %s\n" % str(exc))

		sys.exit(1)