Windows 10
Python 3.5.2
PyQt 5.7
Matplotlib 1.5.1

The following code throws a TypeError when run. It appears that there's a connection error when trying to connect the NavigationToolbar2QT.message[str] signal to the FigureManagerQT._show_message() slot.

import matplotlibmatplotlib.use("Qt5Agg")from matplotlib.pyplot import *fig = figure()show()