screenshot failure

[karlkleinpaste]

4.3-r30040 centos 8

$ xpra screenshot Desktop/screen.png
Traceback (most recent call last):
  File "/usr/lib64/python3.6/site-packages/xpra/client/client_base.py", line 1107, in call_handler
    handler(packet)
  File "/usr/lib64/python3.6/site-packages/xpra/client/gobject_client_base.py", line 260, in _process_screenshot
    assert encoding==b"png", "expected png screenshot data but got %s" % bytestostr(encoding)
AssertionError: expected png screenshot data but got png
Warning: server connection failure:
 disconnected before the session could be established
 screenshot sent
$ ls -l Desktop/screen.png
ls: cannot access 'Desktop/screen.png': No such file or directory

[totaam]

Thanks! (was caused by #3229)