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Add mypy to pre-commit

Banuri Koushik Reddy requested to merge new-branch-name into feature-final

What does this MR do and why?

This MR adds mypy to the local pre-commit workflow so type-checking runs automatically before commits.

It also updates the Python dev dependencies and lockfile to support the new hook, including the types-python-dateutil stub package required by existing dateutil imports.

This helps catch type-related issues earlier in local development and keeps the pre-commit checks aligned with the repository’s quality tooling.

References

  • mypy.ini
  • .pre-commit-config.yaml
  • pyproject.toml
  • uv.lock

Screenshots or screen recordings

Not applicable. This MR only updates development tooling and does not change the UI.

Before After
pre-commit ran Ruff and file-quality hooks only pre-commit now also runs mypy type checks

How to set up and validate locally

  1. Sync the project dependencies:

    uv sync --all-extras

  2. Install pre-commit hooks if needed:

    pre-commit install

  3. Run the hooks against the repository:

    pre-commit run --all-files

  4. Optionally run mypy directly:

    uv run mypy --config-file mypy.ini .

MR acceptance checklist

Evaluate this MR against the MR acceptance checklist. It helps you analyze changes to reduce risks in quality, performance, reliability, security, and maintainability.

Edited by Banuri Koushik Reddy

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