[pre-commit.ci] pre-commit autoupdate (#424)

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

Author: pre-commit-ci[bot]

.pre-commit-config.yaml

@@ -5,7 +5,7 @@ repos:
       - id: end-of-file-fixer
       - id: trailing-whitespace
   - repo: https://github.com/astral-sh/ruff-pre-commit
-    rev: "v0.1.14"
+    rev: "v0.2.0"
     hooks:
       - id: ruff
         args: [--fix, --exit-non-zero-on-fix]

src/sphinx_autodoc_typehints/__init__.py

@@ -710,7 +710,7 @@ def _inject_signature(  # noqa: C901
     lines: list[str],
 ) -> None:
     for arg_name in signature.parameters:
-        annotation = type_hints.get(arg_name, None)
+        annotation = type_hints.get(arg_name)
 
         default = signature.parameters[arg_name].default