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-rw-r--r--sphinx/ext/autodoc/mock.py6
1 files changed, 3 insertions, 3 deletions
diff --git a/sphinx/ext/autodoc/mock.py b/sphinx/ext/autodoc/mock.py
index 40258a135..bf4ac2979 100644
--- a/sphinx/ext/autodoc/mock.py
+++ b/sphinx/ext/autodoc/mock.py
@@ -14,7 +14,7 @@ import sys
from importlib.abc import Loader, MetaPathFinder
from importlib.machinery import ModuleSpec
from types import FunctionType, MethodType, ModuleType
-from typing import Any, Generator, Iterator, List, Sequence, Tuple, Union
+from typing import Any, Generator, Iterator, List, Optional, Sequence, Tuple, Union
from sphinx.util import logging
@@ -117,8 +117,8 @@ class MockFinder(MetaPathFinder):
self.loader = MockLoader(self)
self.mocked_modules = [] # type: List[str]
- def find_spec(self, fullname: str, path: Sequence[Union[bytes, str]],
- target: ModuleType = None) -> ModuleSpec:
+ def find_spec(self, fullname: str, path: Optional[Sequence[Union[bytes, str]]],
+ target: ModuleType = None) -> Optional[ModuleSpec]:
for modname in self.modnames:
# check if fullname is (or is a descendant of) one of our targets
if modname == fullname or fullname.startswith(modname + '.'):