excluded _prior suffix from CLV models

[arthurmello]

Description

Removed the _prior suffix from parameters of CLV model config + adjacent files (tests, notebooks, etc.)

Related Issue

• Closes Exclude prior suffix from CLV model config #1428
• Related to #

Checklist

• Checked that the pre-commit linting/style checks pass. Feel free to comment pre-commit.ci autofix to auto-fix.
• Included tests that prove the fix is effective or that the new feature works
• Added necessary documentation (docstrings and/or example notebooks) using numpydoc format.
• If you are a pro: each commit corresponds to a relevant logical change

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📚 Documentation preview 📚: https://pymc-marketing--1498.org.readthedocs.build/en/1498/

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All modified and coverable lines are covered by tests ✅

Project coverage is 92.59%. Comparing base (cf3eab2) to head (f1d9f8f).
Report is 2 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1498   +/-   ##
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  Coverage   92.58%   92.59%           
=======================================
  Files          52       52           
  Lines        6043     6048    +5     
=======================================
+ Hits         5595     5600    +5     
  Misses        448      448           

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[wd60622]

Nice. Thanks for the PR @arthurmello

We should provide a deprecation for this. Likely in the clv/basic class. Maybe we can check for any model_config keys with "_prior" suffix then remove while having a warning

[wd60622]

Can we write a test to make sure that save / load is backwards compatible in this scenario

[arthurmello]

Sure, do you mean a test that ensures that models saved with the old configuration can still be loaded?
Something like:

def test_backward_compatibility_with_old_config(self, mocker):
        old_model_config = {
            "alpha_prior": ...
            "r_prior": ...
        }
        model = CLVModelTest(model_config=old_model_config)

        mocker.patch("pymc.sample", mock_sample)
        model.fit(...)
        model.save("old_model_config_test")

        loaded_model = CLVModelTest.load("old_model_config_test")

        assert loaded_model.model_config == {
            "alpha": ...,
            "r": ...
        }

[wd60622]

Yeah, something like that. Dont need to sample. Just load and make sure that a method that uses the posterior still works

We have an issue if the built model has variables without the prefix and posterior samples do have the prefix.

We might have to rename the variables upon load as well

[wd60622]

Let's test that there is a warning

[wd60622]

This isn't testing for loading from an old saved model. The idata.posterior will have the suffix. We want to check for that suffix in the posterior will not break using the model in the future