no print statements

[MarcoGorelli]

Thank your for opening a PR!

Depending on what your PR does, here are a few things you might want to address in the description:

• what are the (breaking) changes that this PR makes?
• important background, or details about the implementation
• are the changes—especially new features—covered by tests and docstrings?
• linting/style checks have been run
• consider adding/updating relevant example notebooks
• right before it's ready to merge, mention the PR in the RELEASE-NOTES.md

cc @ricardoV94 @canyon289

[codecov]

Codecov Report

Merging #4878 (8003e56) into main (bc2c24a) will decrease coverage by 0.00%.
The diff coverage is 25.00%.

@@            Coverage Diff             @@
##             main    #4878      +/-   ##
==========================================
- Coverage   72.81%   72.81%   -0.01%     
==========================================
  Files          86       86              
  Lines       13795    13797       +2     
==========================================
+ Hits        10045    10046       +1     
- Misses       3750     3751       +1     

Impacted Files	Coverage Δ
pymc3/math.py	67.85% <0.00%> (ø)
pymc3/sampling_jax.py	0.00% <0.00%> (ø)
pymc3/tuning/starting.py	83.19% <100.00%> (+0.14%)	⬆️

[brandonwillard]

What exactly is this PR trying to accomplish? Why do changes like this warrant an entire custom pre-commit plugin?

[MarcoGorelli]

it was suggested/requested here , then discussion started again on Slack after arviz-devs/arviz#1560