working partial gromov with 3d plot

Author: rflamary

examples/plot_partial_wass_and_gromov.py

@@ -11,6 +11,8 @@
 # Author: Laetitia Chapel <laetitia.chapel@irisa.fr>
 # License: MIT License
 
+# necessary for 3d plot even if not used
+from mpl_toolkits.mplot3d import Axes3D  # noqa
 import scipy as sp
 import numpy as np
 import matplotlib.pylab as pl