extmod/uasyncio: Use .errno instead of .args[0] for OSError exceptions.
@@ -82,7 +82,7 @@ async def open_connection(host, port):
try:
s.connect(ai[-1])
except OSError as er:
- if er.args[0] != EINPROGRESS:
+ if er.errno != EINPROGRESS:
raise er
yield core._io_queue.queue_write(s)
return ss, ss
