[winswitch] xpra-0.17.0 on Centos 7

[Bob Tennent]

xpra attach ssh:... fails:

2016-04-25 01:55:23,218 Xpra gtk2 client version 0.17.0-r12474
2016-04-25 01:55:23,218  running on Linux CentOS Linux 7.2.1511 Core
2016-04-25 01:55:23,218 Warning: failed to import opencv:
2016-04-25 01:55:23,218  No module named cv2
2016-04-25 01:55:23,218  webcam forwarding is disabled
2016-04-25 01:55:23,492 OpenGL_accelerate module loaded
2016-04-25 01:55:23,496 OpenGL enabled with Gallium 0.4 on NV108
2016-04-25 01:55:23,934 keyboard layouts: us
2016-04-25 01:55:25,353 failed to instantiate the dbus notification
handler:
2016-04-25 01:55:25,353  you may need to start a notification service for
'org.freedesktop.Notifications'
2016-04-25 01:55:25,353  disable notifications to avoid this warning
2016-04-25 01:55:25,365  detected keyboard: rules=evdev, model=pc105,
layout=us,us
2016-04-25 01:55:25,366  desktop size is 3600x2000 with 1 screen:
2016-04-25 01:55:25,366   :0.0 (945x525 mm - DPI: 96x96) workarea:
2560x1440
2016-04-25 01:55:25,366     DVI-D-1 (597x336 mm - DPI: 153x151)
2016-04-25 01:55:25,366  upscaled by 150%, virtual screen size: 2400x1333
2016-04-25 01:55:25,367   :0.0 (945x525 mm - DPI: 64x64) workarea:
1707x960
2016-04-25 01:55:25,367     DVI-D-1 (597x336 mm - DPI: 102x100)
/usr/lib64/python2.7/site-packages/xpra/client/gtk_base/statusicon_tray.py:97:
GtkWarning: IA__gdk_window_get_origin: assertion 'GDK_IS_WINDOW (window)'
failed
  ag = self.tray_widget.get_geometry()
XDG_RUNTIME_DIR: Undefined variable.
2016-04-25 01:55:26,043 The SSH process has terminated with exit code 0
2016-04-25 01:55:26,044  the command line used was:
2016-04-25 01:55:26,044 Error: read on Pipe(ssh:...:100) failed: <type
'exceptions.UnboundLocalError'>
Traceback (most recent call last):
  File "/usr/lib64/python2.7/site-packages/xpra/net/protocol.py", line
  548, in _io_thread_loop
    callback()
  File "/usr/lib64/python2.7/site-packages/xpra/net/protocol.py", line
  597, in _read
    buf = self._conn.read(READ_BUFFER_SIZE)
  File "/usr/lib64/python2.7/site-packages/xpra/net/bytestreams.py",
  line 202, in read
    self.may_abort("read")
  File "/usr/lib64/python2.7/site-packages/xpra/net/bytestreams.py",
  line 199, in may_abort
    self._abort_test(action)
  File "/usr/lib64/python2.7/site-packages/xpra/scripts/main.py", line
  1388, in abort_test
    log.error(" %s", cmd_info)
UnboundLocalError: local variable 'cmd_info' referenced before assignment


Bob T.