Contextinfo plugin broken : "ContextPanel' object has no attribute 'builder'"

This is the traceback I get when I try to enable the plugin in exaile 0.3.1+ 2503 build:
Traceback (most recent call last):
  File "/usr/local/lib/exaile/xl/plugins.py", line 115, in enable_plugin
    plugin.enable(self.exaile)
  File "/usr/local/share/exaile/plugins/contextinfo/__init__.py", line 1093, in enable
    exaile_ready()
  File "/usr/local/share/exaile/plugins/contextinfo/__init__.py", line 1085, in exaile_ready
    PANEL = ContextPanel(xlgui.controller().main)
  File "/usr/local/share/exaile/plugins/contextinfo/__init__.py", line 1045, in __init__
    self._browser = BrowserPage(self.builder, self.theme)
AttributeError: 'ContextPanel' object has no attribute 'builder'
WARNING : Unable to enable plugin contextinfo (xl.plugins)
DEBUG : Exception caught!
Traceback (most recent call last):
  File "/usr/local/lib/exaile/xl/plugins.py", line 115, in enable_plugin
    plugin.enable(self.exaile)
  File "/usr/local/share/exaile/plugins/contextinfo/__init__.py", line 1093, in enable
    exaile_ready()
  File "/usr/local/share/exaile/plugins/contextinfo/__init__.py", line 1085, in exaile_ready
    PANEL = ContextPanel(xlgui.controller().main)
  File "/usr/local/share/exaile/plugins/contextinfo/__init__.py", line 1045, in __init__
    self._browser = BrowserPage(self.builder, self.theme)
AttributeError: 'ContextPanel' object has no attribute 'builder'
 (xl.plugins)