[matplotlib-devel] 1.1.1rc RuntimeError: underlying C/C++ object has been deleted

[Neal B. <ndb...@gm...>]

I'm getting these messages, which did not occur with 1.1:

Traceback (most recent call last):
  File "/home/nbecker/.local/lib/python2.7/site-
packages/matplotlib/backends/backend_qt4.py", line 151, in <lambda>
    lambda: self.close_event())
  File "/home/nbecker/.local/lib/python2.7/site-
packages/matplotlib/backend_bases.py", line 1564, in close_event
    self.callbacks.process(s, event)
RuntimeError: underlying C/C++ object has been deleted