File "/anaconda3/lib/python3.6/site-packages/matplotlib/__init__.py", line 891, in getitem
from matplotlib import pyplot as plt
File "/anaconda3/lib/python3.6/site-packages/matplotlib/pyplot.py", line 32, in
import matplotlib.colorbar
File "/anaconda3/lib/python3.6/site-packages/matplotlib/colorbar.py", line 28, in
import matplotlib.artist as martist
AttributeError: module 'matplotlib' has no attribute 'artist'