[Matplotlib-users] matplotlib: no output with Agg - TkAgg - Qt5Agg -- stuck at ttconv.so

[Thierry]

after a complete rebuild the situation is basically unchanged...
there is no complaint about freetype in the build log

and the typical outcome
here the default backend is Qt5Agg - this is the first wake-up of newborn
matplotlib:


tjoli at skynet ~ % python
Python 2.7.10 (default, Nov 19 2015, 13:26:08) 
[GCC 4.9.3] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> from pylab import *
/usr/lib64/python2.7/site-packages/matplotlib/font_manager.py:273:
UserWarning: Matplotlib is building the font cache using fc-list. This may
take a moment.
  warnings.warn('Matplotlib is building the font cache using fc-list. This
may take a moment.')
>>> x=[1.,2.,3.]
>>> y=[2.,3.,4.]
>>> plot(x,y,'o')
[<matplotlib.lines.Line2D object at 0x7fb7f0aff5d0>]
>>> show()
Qt has caught an exception thrown from an event handler. Throwing
exceptions from an event handler is not supported in Qt. You must
reimplement QApplication::notify() and catch all exceptions there.



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