pip install zest==0.1.1.post1

A testing utility package

Source
Among fairly niche packages on PyPI.
Over 509 downloads in the last 90 days.

Version usage of zest

Proportion of downloaded versions in the last 3 months (only versions over 1%).

0.1.1.post1

45.38%

0.1.1

28.09%

0.1

26.52%