>>> """
===============================
Adding a colorbar to inset axes
===============================
"""
... 
... from matplotlib import cbook
... import matplotlib.pyplot as plt
... from mpl_toolkits.axes_grid1.inset_locator import inset_axes, zoomed_inset_axes
... 
... 
... fig, ax = plt.subplots(figsize=[5, 4])
... ax.set(aspect=1, xlim=(-15, 15), ylim=(-20, 5))
... 
... Z = cbook.get_sample_data("axes_grid/bivariate_normal.npy", np_load=True)
... extent = (-3, 4, -4, 3)
... 
... axins = zoomed_inset_axes(ax, zoom=2, loc='upper left')
... axins.set(xticks=[], yticks=[])
... im = axins.imshow(Z, extent=extent, origin="lower")
... 
... # colorbar
... cax = inset_axes(axins,
...                  width="5%",  # width = 10% of parent_bbox width
...                  height="100%",  # height : 50%
...                  loc='lower left',
...                  bbox_to_anchor=(1.05, 0., 1, 1),
...                  bbox_transform=axins.transAxes,
...                  borderpad=0,
...                  )
... fig.colorbar(im, cax=cax)
... 
... plt.show()
...