Use TYPE_CHECKING for tomlkit type hint

Author: erral

README.md

@@ -296,7 +296,7 @@ Now, use the generated requirements and constraints files with i.e. `pip install
 
 ## uv pyproject.toml integration
 
-mxdev includes a built-in hook to automatically update your `pyproject.toml` file when working with [uv](https://docs.astral.sh/uv/)-managed projects. 
+mxdev includes a built-in hook to automatically update your `pyproject.toml` file when working with [uv](https://docs.astral.sh/uv/)-managed projects.
 
 To use this feature, you must install mxdev with the `uv` extra:
 

src/mxdev/uv.py

@@ -1,12 +1,17 @@
 from mxdev.hooks import Hook
 from mxdev.state import State
 from pathlib import Path
+from typing import TYPE_CHECKING
 
 import logging
 import os
 import tempfile
 
 
+if TYPE_CHECKING:
+    import tomlkit
+
+
 logger = logging.getLogger("mxdev")
 
 

tests/test_uv.py

@@ -2,9 +2,9 @@
 from mxdev.state import State
 from mxdev.uv import UvPyprojectUpdater
 
-import tomlkit
 import pytest
 import sys
+import tomlkit
 
 
 def test_hook_skips_when_pyproject_toml_missing(mocker, tmp_path, monkeypatch):