Thanks, that fixed it for me:
mike@EXECUTOR:/c/x2gobuilds/pyhoca-gui :) [12] $ ./pyhoca-gui
--start-xserver --lang=en
c:\x2gobuilds\pyhoca-gui\pyhoca\wxgui\frontend.py:70:
wxPyDeprecationWarning: Call to deprecated item
'InitAllImageHandlers'.
wx.InitAllImageHandlers()
### PyHoca-GUI running in development mode ###
pyhoca-gui[14304] (x2goclient-pylib) WARN: found a running (and maybe
stray) X-server, trying to re-use it on X DISPLAY port: localhost:40