Fix #3040 - py_format recipe includes more paths

[pmbrull]

Describe your changes :

This PR fixes #3040

We were missing checks on tests and examples directories. This PR updates the recipes to include everything but generated in the formatting rules.

Thanks

Type of change :

• Bug fix
• Improvement
• New feature
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Documentation

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Checklist:

• I have read the CONTRIBUTING document.
• I have performed a self-review of my own.
• I have tagged my reviewers below.
• I have commented on my code, particularly in hard-to-understand areas.
• My changes generate no new warnings.
• I have added tests that prove my fix is effective or that my feature works.
• All new and existing tests passed.

Reviewers