sample_data_demo.py

"""
Grab mpl data from the ~/.matplotlib/sample_data cache if it exists, else
fetch it from github and cache it
"""
from __future__ import print_function
import matplotlib.cbook as cbook
import matplotlib.pyplot as plt
fname = cbook.get_sample_data('lena.png', asfileobj=False)

print('fname', fname)
im = plt.imread(fname)
plt.imshow(im)
plt.show()