import matplotlibmatplotlib.use('MacOSX')  # Segfault in backend from call to pyplot.show().# matplotlib.use('TkAgg')  # This backend does not reproduce the segfault.import matplotlib.pyplot as pltimport numpy as npimport signalfrom subprocess import Popen, PIPEdef mplayer_view(img):    mplayer = Popen(        ['mplayer', '-',         '-demuxer', 'rawvideo',         '-rawvideo', 'w={}:h={}:format={}'.format(            img.shape[1], img.shape[0], 'y8')],        stdin=PIPE    )    tmp = img.astype('int8').tostring('C')    # Writing twice is important to reproduce the segfault (no flush needed).    mplayer.stdin.write(tmp)    mplayer.stdin.write(tmp)    mplayer.kill()if __name__ == "__main__":    img = np.zeros((512,512))  # Need to write enough bytes.    mplayer_view(img)    plt.figure()    plt.show()  # <-- segfault here

Fatal Python error: Segmentation faultCurrent thread 0x00007fff7a0c4000 (most recent call first):  File "/Users/cmey/.pyenv/versions/chips-3.4.3/lib/python3.4/site-packages/matplotlib/backends/backend_macosx.py", line 29 in mainloop  File "/Users/cmey/.pyenv/versions/chips-3.4.3/lib/python3.4/site-packages/matplotlib/backend_bases.py", line 192 in __call__  File "/Users/cmey/.pyenv/versions/chips-3.4.3/lib/python3.4/site-packages/matplotlib/pyplot.py", line 244 in show  File "/Users/cmey/Code/python/test_matplotlib_segfault.py", line 35 in <module>Segmentation fault: 11