$ dockx
DockbarX 0.45
DockbarX init
DockbarX reload
Xlib.protocol.request.QueryExtension
Theme error: The opacity attribute of a theme command should be a number between "0"  and "100" or "color1" to "color8".
Traceback (most recent call last):
  File "/usr/lib/python2.7/site-packages/dockbarx/iconfactory.py", line 251, in __get_alpha
    raise
TypeError: exceptions must be old-style classes or derived from BaseException, not NoneType
Theme error: The opacity attribute of a theme command should be a number between "0"  and "100" or "color1" to "color8".
Traceback (most recent call last):
  File "/usr/lib/python2.7/site-packages/dockbarx/iconfactory.py", line 251, in __get_alpha
    raise
TypeError: exceptions must be old-style classes or derived from BaseException, not NoneType
Theme error: The opacity attribute of a theme command should be a number between "0"  and "100" or "color1" to "color8".
Traceback (most recent call last):
  File "/usr/lib/python2.7/site-packages/dockbarx/iconfactory.py", line 251, in __get_alpha
    raise
TypeError: exceptions must be old-style classes or derived from BaseException, not NoneType
Executing: nautilus 
Initializing nautilus-gdu extension
Theme error: The opacity attribute of a theme command should be a number between "0"  and "100" or "color1" to "color8".
Traceback (most recent call last):
  File "/usr/lib/python2.7/site-packages/dockbarx/iconfactory.py", line 251, in __get_alpha
    raise
TypeError: exceptions must be old-style classes or derived from BaseException, not NoneType
Theme error: The opacity attribute of a theme command should be a number between "0"  and "100" or "color1" to "color8".
Traceback (most recent call last):
  File "/usr/lib/python2.7/site-packages/dockbarx/iconfactory.py", line 251, in __get_alpha
    raise
TypeError: exceptions must be old-style classes or derived from BaseException, not NoneType
Shutting down nautilus-gdu extension

--- Hash table keys for warning below:
--> user
--> l2055
--> inode/directory

(nautilus:2130): Eel-WARNING **: "unique eel_ref_str" hash table still has 3 elements at quit time (keys above)

--- Hash table keys for warning below:
--> file:///home

(nautilus:2130): Eel-WARNING **: "nautilus-directory.c: directories" hash table still has 1 element at quit time (keys above)
Traceback (most recent call last):
  File "/usr/lib/python2.7/site-packages/dockbarx/dockbar.py", line 450, in __on_window_closed
    self.parent_window.remove_window(window)
  File "/usr/bin/dockx", line 526, in remove_window
    del self.border_distances[window]
  File "/usr/lib64/python2.7/weakref.py", line 253, in __delitem__
    del self.data[ref(key)]
KeyError: <weakref at 0x1eb54c8; to 'wnck.Window' at 0x1ab95a0>
/usr/bin/dockx:754: Warning: g_object_set_qdata: assertion `G_IS_OBJECT (object)' failed
  gtk.main()