deluge-2.0.4.dev84 error

(deluge:8980): Gtk-WARNING **: 15:15:16.938: for_size smaller than min-size (0 < 15) while measuring gadget (node button, owner GtkSpinButton)
Unhandled error in Deferred:

Traceback (most recent call last):
  File "C:\Build\mhertz\deluge-2.0.4.dev84\lib\site-packages\twisted\internet\defer.py", line 654, in _runCallbacks
    current.result = callback(current.result, *args, **kw)
  File "C:\Build\mhertz\deluge-2.0.4.dev84\lib\site-packages\deluge\ui\gtk3\preferences.py", line 333, in on_get_listen_port
    client.core.get_session_status(DISK_CACHE_KEYS).addCallback(
  File "C:\Build\mhertz\deluge-2.0.4.dev84\lib\site-packages\twisted\internet\defer.py", line 321, in addCallback
    return self.addCallbacks(callback, callbackArgs=args,
  File "C:\Build\mhertz\deluge-2.0.4.dev84\lib\site-packages\twisted\internet\defer.py", line 311, in addCallbacks
    self._runCallbacks()
--- <exception caught here> ---
  File "C:\Build\mhertz\deluge-2.0.4.dev84\lib\site-packages\twisted\internet\defer.py", line 654, in _runCallbacks
    current.result = callback(current.result, *args, **kw)
  File "C:\Build\mhertz\deluge-2.0.4.dev84\lib\site-packages\deluge\ui\gtk3\preferences.py", line 339, in on_get_session_status
    self._show()
  File "C:\Build\mhertz\deluge-2.0.4.dev84\lib\site-packages\deluge\ui\gtk3\preferences.py", line 495, in _show
    widget.set_sensitive(self.is_connected)
builtins.AttributeError: 'NoneType' object has no attribute 'set_sensitive'