---------------------------------------------------------------------------
NameError Traceback (most recent call last)
<ipython-input-3-0a8df1503633> in <module>
105 # return axes
106
--> 107 def plot_3d_projections(volume, proj_func=np.max, size=6, vmax=None):
108
109 if torch.is_tensor(volume):
NameError: name 'np' is not defined