I'm encountering a minor issue with control.root_locus. The documentation says the default behavior has the omega-damping grid set to False, but it's appearing unless I actually set grid = False.

Here are the versions I'm working with:
control 0.10.1
matplotlib 3.10.0
I'm seeing this in both a Jupyter Notebook and Google Colab.

Here's an example of the issue:

Here's what it looks like if grid = False: