diff --git a/docsrc/conf.py b/docsrc/conf.py
index 87849f8e73..a914545b9c 100644
--- a/docsrc/conf.py
+++ b/docsrc/conf.py
@@ -179,9 +179,9 @@
 python_use_unqualified_type_names = True
 
 autodoc_type_aliases = {
-    'LegacyConverterImplSignature': 'LegacyConverterImplSignature',
-    'DynamoConverterImplSignature': 'DynamoConverterImplSignature',
-    'ConverterImplSignature': 'ConverterImplSignature',
+    "LegacyConverterImplSignature": "LegacyConverterImplSignature",
+    "DynamoConverterImplSignature": "DynamoConverterImplSignature",
+    "ConverterImplSignature": "ConverterImplSignature",
 }
 
 # -- A patch that prevents Sphinx from cross-referencing ivar tags -------