fix rlocus plotting problem in Jupyter notebooks + comments, PEP8 by murrayrm · Pull Request #503 · python-control/python-control
This PR resolves issue #464. I added some comments to the code along the way as I was trying to sort out what was going wrong. No easy unit tests for this one, I think, since it seems like the issue is restricted to Jupyter notebooks and has to do with the way they generate plots (I guess).
Before (need to zoom way in to see the plot)
After:
