`python_percy` failure

[archmoj]

https://app.circleci.com/pipelines/github/plotly/plotly.py/3700/workflows/a3d2025e-98a0-4624-bca6-d031d7466fb2/jobs/93467

[archmoj]

@LiamConnors When possible would you please have a look at this?
Thank you!

[archmoj]

It's related to f60b122
I'll open a PR to address this.