ImageGrid: Apply changes to individual images

Out:

/home/docs/checkouts/readthedocs.org/user_builds/seaborn-image/envs/v0.4.4/lib/python3.7/site-packages/seaborn_image/_context.py:128: UserWarning: Trying to register the cmap 'deep' which already exists.
  register_cmap(name=cmap, cmap=cmap_mpl)

import seaborn_image as isns

# load images
pol = isns.load_image("polymer")
pl = isns.load_image("fluorescence")
pol_out = isns.load_image("polymer outliers")

g = isns.ImageGrid(
    [pol, pl, pol_out], robust=[False, False, True], perc=[None, None, (2, 99.9)]
)