chore: pylint and black on cz phase compensation

[paulQM]

PR Summary: Fix pylint errors for CZ phase compensation

Overview

This PR fixes all pylint errors in the CZ phase compensation calibration module to ensure pre-commit compliance. The changes improve code quality by adding missing documentation and fixing import ordering issues.

Branch

chore/styx-precommit-cz-phase-compensation

Changes Made

1. Import Ordering Fix

File: calibrations/CZ_calibration_fixed_couplers/21_cz_phase_compensation.py

• Fixed import ordering to comply with PEP 8 standards
• Moved first-party import (calibration_utils.cz_phase_compensation) to after all third-party imports
• Pylint score improved from 9.21/10 to 10.00/10

2. Documentation Additions

Files Modified:

• calibration_utils/cz_phase_compensation/__init__.py
• calibration_utils/cz_phase_compensation/analysis.py
• calibration_utils/cz_phase_compensation/parameters.py
• calibration_utils/cz_phase_compensation/plotting.py

Changes:

• Added module docstrings to all files in the cz_phase_compensation package
• Added function docstrings for:
  • process_raw_dataset() in analysis.py
  • fit_routine() in analysis.py
• Added class docstring for Parameters class in parameters.py
• Pylint score improved from 9.41/10 to 10.00/10 for the entire module

Files Changed

• calibrations/CZ_calibration_fixed_couplers/21_cz_phase_compensation.py
• calibration_utils/cz_phase_compensation/__init__.py
• calibration_utils/cz_phase_compensation/analysis.py
• calibration_utils/cz_phase_compensation/parameters.py
• calibration_utils/cz_phase_compensation/plotting.py

Testing

• All files now pass pylint with a score of 10.00/10
• No functional changes were made; only code quality improvements

Impact

• ✅ All pylint errors resolved
• ✅ Code now compliant with pre-commit hooks
• ✅ Improved code documentation and maintainability
• ✅ No breaking changes