Enable parallel write (#317)

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

Author: marscher

CHANGELOG.md

@@ -1,5 +1,9 @@
 # Changelog
 
+## 1.22
+
+- Allow Sphinx explicitly to write in parallel.
+
 ## 1.21.7
 
 - Fixed a bug where if a class has an attribute and a constructor argument with the same name, the constructor argument

src/sphinx_autodoc_typehints/__init__.py

@@ -798,7 +798,7 @@ def setup(app: Sphinx) -> dict[str, bool]:
     app.connect("autodoc-process-signature", process_signature)
     app.connect("autodoc-process-docstring", process_docstring)
     install_patches(app)
-    return {"parallel_read_safe": True}
+    return {"parallel_read_safe": True, "parallel_write_safe": True}
 
 
 __all__ = [