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-rw-r--r--sphinx/search/__init__.py4
1 files changed, 2 insertions, 2 deletions
diff --git a/sphinx/search/__init__.py b/sphinx/search/__init__.py
index 2a3420244..4b0567969 100644
--- a/sphinx/search/__init__.py
+++ b/sphinx/search/__init__.py
@@ -12,7 +12,7 @@ import pickle
import re
from importlib import import_module
from os import path
-from typing import IO, Any, Dict, Iterable, List, Set, Tuple, Type
+from typing import IO, Any, Dict, Iterable, List, Optional, Set, Tuple, Type
from docutils import nodes
from docutils.nodes import Node
@@ -440,7 +440,7 @@ class IndexBuilder:
else:
return []
- def get_js_stemmer_rawcode(self) -> str:
+ def get_js_stemmer_rawcode(self) -> Optional[str]:
return None
def get_js_stemmer_code(self) -> str: