Exception in thread on macOS High sierra

[mosvov]

On version 2.0.0rc5 when trying to connect to remote printer (192.168.1.121:23) I get error
Connecting...
Exception in thread Thread-8:
Traceback (most recent call last):
File "threading.py", line 916, in _bootstrap_inner
File "threading.py", line 864, in run
File "printrun/printcore.py", line 345, in _listen
File "printrun/printcore.py", line 308, in _listen_until_online
File "printrun/printcore.py", line 672, in _send
TypeError: write() argument must be str, not bytes

On 1.6.0 with same settings it works good.

[tarmof]

Yes, same here with latest git pull

Connecting...
Exception in thread Thread-2:
Traceback (most recent call last):
File "/usr/lib/python3.6/threading.py", line 916, in _bootstrap_inner
self.run()
File "/usr/lib/python3.6/threading.py", line 864, in run
self._target(*self._args, **self._kwargs)
File "/opt/Printrun/printrun/printcore.py", line 345, in _listen
self._listen_until_online()
File "/opt/Printrun/printrun/printcore.py", line 308, in _listen_until_online
self._send("M105")
File "/opt/Printrun/printrun/printcore.py", line 672, in _send
self.printer.write((command + "\n").encode('ascii'))
TypeError: write() argument must be str, not bytes

[k3ns]

See Issue #936