There was an error when building the docker image. Solution: Upgrade to the latest MarkupSafe (at this time 1.1.1). See the below error:
File "/tmp/pip-install-rrl3_k3v/MarkupSafe/setup.py", line 6, in <module>
from setuptools import setup, Extension, Feature
ImportError: cannot import name 'Feature'
----------------------------------------
There was an error when building the docker image. Solution: Upgrade to the latest MarkupSafe (at this time 1.1.1). See the below error: