Heisenbridge identd patch is buggy

[lnicola]

Jan 07 16:38:17 matrix python[164321]: ERROR:asyncio:Task exception was never retrieved
Jan 07 16:38:17 matrix python[164321]: future: <Task finished coro=<Identd.handle() done, defined at /home/heisenbridge/hbridge/lib/python3.7/site-packages/heisenbridge/identd.py:11> exception=TypeError('can only concatenate str (not "IncompleteReadError") to str')>
Jan 07 16:38:17 matrix python[164321]: Traceback (most recent call last):
Jan 07 16:38:17 matrix python[164321]:   File "/home/heisenbridge/hbridge/lib/python3.7/site-packages/heisenbridge/identd.py", line 13, in handle
Jan 07 16:38:17 matrix python[164321]:     data = await asyncio.wait_for(reader.readuntil(b"\r\n"), 10)
Jan 07 16:38:17 matrix python[164321]:   File "/usr/lib/python3.7/asyncio/tasks.py", line 416, in wait_for
Jan 07 16:38:17 matrix python[164321]:     return fut.result()
Jan 07 16:38:17 matrix python[164321]:   File "/usr/lib/python3.7/asyncio/streams.py", line 585, in readuntil
Jan 07 16:38:17 matrix python[164321]:     raise IncompleteReadError(chunk, None)
Jan 07 16:38:17 matrix python[164321]: asyncio.streams.IncompleteReadError: 0 bytes read on a total of None expected bytes
Jan 07 16:38:17 matrix python[164321]: During handling of the above exception, another exception occurred:
Jan 07 16:38:17 matrix python[164321]: Traceback (most recent call last):
Jan 07 16:38:17 matrix python[164321]:   File "/home/heisenbridge/hbridge/lib/python3.7/site-packages/heisenbridge/identd.py", line 64, in handle
Jan 07 16:38:17 matrix python[164321]:     logging.debug("Identd request threw exception, ignored: " + err)
Jan 07 16:38:17 matrix python[164321]: TypeError: can only concatenate str (not "IncompleteReadError") to str

It's not in Ansible, but I think strk patched heisenbridge to log the identd errors. But the patch is incorrect, as it's treating the exception as a string.