mypy: Enable disallow_incomplete_defs flag for type checking

1 files changed, 2 insertions, 2 deletions

diff --git a/sphinx/ext/napoleon/iterators.py b/sphinx/ext/napoleon/iterators.py
index 3aa728e44..2adbd431f 100644
--- a/sphinx/ext/napoleon/iterators.py
+++ b/sphinx/ext/napoleon/iterators.py
@@ -47,7 +47,7 @@ class peek_iter:
         be set to a new object instance: ``object()``.
 
     """
-    def __init__(self, *args) -> None:
+    def __init__(self, *args: Any) -> None:
         """__init__(o, sentinel=None)"""
         self._iterable = iter(*args)        # type: Iterable
         self._cache = collections.deque()   # type: collections.deque
@@ -208,7 +208,7 @@ class modify_iter(peek_iter):
     "whitespace."
 
     """
-    def __init__(self, *args, **kwargs) -> None:
+    def __init__(self, *args: Any, **kwargs: Any) -> None:
         """__init__(o, sentinel=None, modifier=lambda x: x)"""
         if 'modifier' in kwargs:
             self.modifier = kwargs['modifier']