diff --git a/manim_slides/core/config.py b/manim_slides/core/config.py
index 959755e..c80f1d2 100644
--- a/manim_slides/core/config.py
+++ b/manim_slides/core/config.py
@@ -92,9 +92,7 @@ class Key(BaseModel):  # type: ignore[misc]
         self.ids = list(set(ids))
 
     def match(self, key_id: int) -> bool:
-        """
-        Return whether a given key id matches this key.
-        """
+        """Return whether a given key id matches this key."""
         m = key_id in self.ids
 
         if m:
diff --git a/pyproject.toml b/pyproject.toml
index 3817820..2a10a5b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -186,10 +186,9 @@ env = [
 ]
 
 [tool.ruff]
-extend-exclude = ["manim_slides/resources.py"]
+extend-exclude = ["manim_slides/cli/resources.py"]
 extend-include = ["*.ipynb"]
 line-length = 88
-target-version = "py39"
 
 [tool.ruff.lint]
 extend-ignore = [