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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Pre-commit check fails when dependency group includes are used in `pyproject.toml`","articleBody":"### Description\n\nWhen committing a `pyproject.toml` file that uses [dependency group includes](https://packaging.python.org/en/latest/specifications/dependency-groups/#dependency-group-include) and the commitizen pre-commit hook, a `tomlkit.exceptions.MixedArrayTypesError` is raised, failing the check and preventing the commit.\n\nThis happens when using `uv` as dependency manager, I don't know about others.\n\n### Steps to reproduce\n\n1. Create a blank project with `uv init cz-dgi` and enter with `cd cz-dgi`\n2. Add the following `pyproject.toml`:\n   ```toml\n   [project]\n   name = \"czdgi\"\n   version = \"0.1.0\"\n   description = \"Add your description here\"\n   readme = \"README.md\"\n   requires-python = \"\u003e=3.12\"\n   dependencies = [\n       \"commitizen\u003e=4.8.2\",\n       \"pre-commit\u003e=4.2.0\",\n   ]\n    \n   [dependency-groups]\n   nums = [\n       \"pandas\u003e=2.2.3\",\n   ]\n   test = [\n       {include-group = \"nums\"},\n       \"pytest\u003e=8.4.0\",\n   ]\n   ```\n3. Create a `.pre-commit-config.yaml` with the following content:\n   ```yaml    default_install_hook_types:\n      - pre-commit\n      - commit-msg\n    repos:\n      - repo: https://github.com/commitizen-tools/commitizen\n        rev: v1.17.0\n        hooks:\n          - id: commitizen\n            stages: [ commit-msg ]\n    ```\n4. Run `uv run pre-commit install --install-hooks` to install hooks\n5. Try to commit\n\n### Current behavior\n\nThe commit check fails with error:\n```\ncommitizen check.........................................................Failed\n- hook id: commitizen\n- exit code: 1\n\nTraceback (most recent call last):\n  File \"/home/kinami/.cache/pre-commit/repoo6u1swju/py_env-python3/bin/cz\", line 8, in \u003cmodule\u003e\n    sys.exit(main())\n             ^^^^^^\n  File \"/home/kinami/.cache/pre-commit/repoo6u1swju/py_env-python3/lib/python3.12/site-packages/commitizen/cli.py\", line 179, in main\n    conf = config.read_cfg()\n           ^^^^^^^^^^^^^^^^^\n  File \"/home/kinami/.cache/pre-commit/repoo6u1swju/py_env-python3/lib/python3.12/site-packages/commitizen/config/__init__.py\", line 60, in read_cfg\n    _conf = TomlConfig(data=data, path=filename)\n            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n  File \"/home/kinami/.cache/pre-commit/repoo6u1swju/py_env-python3/lib/python3.12/site-packages/commitizen/config/toml_config.py\", line 10, in __init__\n    self._parse_setting(data)\n  File \"/home/kinami/.cache/pre-commit/repoo6u1swju/py_env-python3/lib/python3.12/site-packages/commitizen/config/toml_config.py\", line 39, in _parse_setting\n    doc = parse(data)\n          ^^^^^^^^^^^\n  File \"/home/kinami/.cache/pre-commit/repoo6u1swju/py_env-python3/lib/python3.12/site-packages/tomlkit/api.py\", line 51, in parse\n    return Parser(string).parse()\n           ^^^^^^^^^^^^^^^^^^^^^^\n  File \"/home/kinami/.cache/pre-commit/repoo6u1swju/py_env-python3/lib/python3.12/site-packages/tomlkit/parser.py\", line 153, in parse\n    key, value = self._parse_table()\n                 ^^^^^^^^^^^^^^^^^^^\n  File \"/home/kinami/.cache/pre-commit/repoo6u1swju/py_env-python3/lib/python3.12/site-packages/tomlkit/parser.py\", line 1056, in _parse_table\n    item = self._parse_item()\n           ^^^^^^^^^^^^^^^^^^\n  File \"/home/kinami/.cache/pre-commit/repoo6u1swju/py_env-python3/lib/python3.12/site-packages/tomlkit/parser.py\", line 302, in _parse_item\n    return self._parse_key_value(True)\n           ^^^^^^^^^^^^^^^^^^^^^^^^^^^\n  File \"/home/kinami/.cache/pre-commit/repoo6u1swju/py_env-python3/lib/python3.12/site-packages/tomlkit/parser.py\", line 387, in _parse_key_value\n    val = self._parse_value()\n          ^^^^^^^^^^^^^^^^^^^\n  File \"/home/kinami/.cache/pre-commit/repoo6u1swju/py_env-python3/lib/python3.12/site-packages/tomlkit/parser.py\", line 524, in _parse_value\n    return self._parse_array()\n           ^^^^^^^^^^^^^^^^^^^\n  File \"/home/kinami/.cache/pre-commit/repoo6u1swju/py_env-python3/lib/python3.12/site-packages/tomlkit/parser.py\", line 680, in _parse_array\n    raise self.parse_error(MixedArrayTypesError)\ntomlkit.exceptions.MixedArrayTypesError: Mixed types found in array at line 19 col 1\n```\n\n\n### Desired behavior\n\nThe `pyproject.toml` gets parsed correctly and no errors appear.\n\n### Screenshots\n\n_No response_\n\n### Environment\n\nCommitizen Version: 4.8.2\nPython Version: 3.12.10 (main, May 17 2025, 13:50:06) [Clang 20.1.4 ]\nOperating System: Linux","author":{"url":"https://github.com/kiinami","@type":"Person","name":"kiinami"},"datePublished":"2025-06-03T15:49:21.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":4},"url":"https://github.com/1500/commitizen/issues/1500"}