pip install phasor==1.0.0.dev3

Scientific modeling of linearized optics, electronics, mechanics, and signal flow in the frequency domain

Source
Among fairly niche packages on PyPI.
Over 474 downloads in the last 90 days.

Version usage of phasor

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

1.0.0.dev3

40.72%

1.0.0.dev2

29.96%

1.0.0.dev1

29.32%