[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

conf.in.py

@@ -28,7 +28,7 @@
 ]  # , 'rinoh.frontend.sphinx'], 'sphinx_autodoc_typehints'
 
 # The suffix of source filenames.
-source_suffix = {'.rst': 'restructuredtext'}
+source_suffix = {".rst": "restructuredtext"}
 
 # The master toctree document.
 master_doc = "index"