Traceback (most recent call last):


 "/localhome/administrator/.virtualenvs/cv/local/lib/python2.7/site-packages/pyface/ui/qt4/gui.py", line 200, in _dispatch

self._callable(*self._args, **self._kw)


 "test_mlab_envisage.py", line 9, in close

e.window.close()


 "/localhome/administrator/.virtualenvs/cv/local/lib/python2.7/site-packages/pyface/workbench/workbench_window.py", line 180, in close

self.destroy_views(self.views)


 "/localhome/administrator/.virtualenvs/cv/local/lib/python2.7/site-packages/pyface/workbench/workbench_window.py", line 339, in destroy_views

view.destroy_control()


 "/localhome/administrator/.virtualenvs/cv/local/lib/python2.7/site-packages/pyface/workbench/traits_ui_view.py", line 72, in destroy_control

self.ui.dispose()


 "/localhome/administrator/.virtualenvs/cv/local/lib/python2.7/site-packages/traitsui/ui.py", line 256, in dispose

self.finish()


 "/localhome/administrator/.virtualenvs/cv/local/lib/python2.7/site-packages/traitsui/ui.py", line 283, in finish

self.reset(destroy=False)


 "/localhome/administrator/.virtualenvs/cv/local/lib/python2.7/site-packages/traitsui/ui.py", line 325, in reset

editor.dispose()


 "/localhome/administrator/.virtualenvs/cv/local/lib/python2.7/site-packages/traitsui/qt4/tree_editor.py", line 260, in dispose

self._delete_node(self._tree.invisibleRootItem())


 "/localhome/administrator/.virtualenvs/cv/local/lib/python2.7/site-packages/traitsui/qt4/tree_editor.py", line 457, in _delete_node

self._delete_node(cnid)


 "/localhome/administrator/.virtualenvs/cv/local/lib/python2.7/site-packages/traitsui/qt4/tree_editor.py", line 457, in _delete_node

self._delete_node(cnid)


 "/localhome/administrator/.virtualenvs/cv/local/lib/python2.7/site-packages/traitsui/qt4/tree_editor.py", line 457, in _delete_node

self._delete_node(cnid)


 "/localhome/administrator/.virtualenvs/cv/local/lib/python2.7/site-packages/traitsui/qt4/tree_editor.py", line 457, in _delete_node

self._delete_node(cnid)


 "/localhome/administrator/.virtualenvs/cv/local/lib/python2.7/site-packages/traitsui/qt4/tree_editor.py", line 481, in _delete_node

self._remove_listeners(node, object)


 "/localhome/administrator/.virtualenvs/cv/local/lib/python2.7/site-packages/traitsui/qt4/tree_editor.py", line 650, in _remove_listeners

node.when_label_changed(object, self._label_updated, True)


 "/localhome/administrator/.virtualenvs/cv/local/lib/python2.7/site-packages/traitsui/tree_node.py", line 1516, in when_label_changed

return object.tno_when_label_changed(self, listener, remove)


 "/localhome/administrator/.virtualenvs/cv/local/lib/python2.7/site-packages/traitsui/tree_node.py", line 1900, in tno_when_label_changed

wrapped_listener = self._listener_cache.pop(memo, None)
AttributeError: 'IsoSurface' object has no attribute '_listener_cache'

Traceback (most recent call last):


 "raiden-script.py", line 2, in <module>


 "site-packages/raiden/__main__.py", line 11, in main


 "site-packages/click/core.py", line 722, in __call__


 "site-packages/click/core.py", line 697, in main


 "site-packages/click/core.py", line 1043, in invoke


 "site-packages/click/core.py", line 895, in invoke


 "site-packages/click/core.py", line 535, in invoke


 "site-packages/click/decorators.py", line 17, in new_func


 "site-packages/raiden/ui/cli.py", line 425, in run


 "site-packages/raiden/ui/runners.py", line 247, in run


 "site-packages/raiden/ui/runners.py", line 214, in _start_services


 "src/gevent/greenlet.py", line 849, in gevent._greenlet.joinall


 "src/gevent/greenlet.py", line 865, in gevent._greenlet.joinall


 "src/gevent/greenlet.py", line 312, in gevent._greenlet.Greenlet._raise_exception


 "site-packages/gevent/_compat.py", line 47, in reraise


 "src/gevent/greenlet.py", line 716, in gevent._greenlet.Greenlet.run


 "site-packages/raiden/ui/runners.py", line 209, in stop_task


 "src/gevent/greenlet.py", line 633, in gevent._greenlet.Greenlet.get


 "src/gevent/greenlet.py", line 312, in gevent._greenlet.Greenlet._raise_exception


 "site-packages/gevent/_compat.py", line 47, in reraise


 "src/gevent/greenlet.py", line 716, in gevent._greenlet.Greenlet.run


 "site-packages/raiden/api/rest.py", line 435, in _run


 "site-packages/gevent/baseserver.py", line 364, in serve_forever


 "src/gevent/event.py", line 240, in gevent._event.Event.wait


 "src/gevent/event.py", line 140, in gevent._event._AbstractLinkable._wait


 "src/gevent/event.py", line 117, in gevent._event._AbstractLinkable._wait_core


 "src/gevent/event.py", line 119, in gevent._event._AbstractLinkable._wait_core


 "src/gevent/_greenlet_primitives.py", line 59, in gevent.__greenlet_primitives.SwitchOutGreenletWithLoop.switch


 "src/gevent/_greenlet_primitives.py", line 59, in gevent.__greenlet_primitives.SwitchOutGreenletWithLoop.switch


 "src/gevent/_greenlet_primitives.py", line 63, in gevent.__greenlet_primitives.SwitchOutGreenletWithLoop.switch


 "src/gevent/__greenlet_primitives.pxd", line 35, in gevent.__greenlet_primitives._greenlet_switch
AttributeError: 'EventPaymentSentFailed' object has no attribute 'initiator'
