mypy: Enable disallow_incomplete_defs flag for type checking

1 files changed, 4 insertions, 4 deletions

diff --git a/sphinx/io.py b/sphinx/io.py
index 4f354aace..8253f4a9c 100644
--- a/sphinx/io.py
+++ b/sphinx/io.py
@@ -59,7 +59,7 @@ class SphinxBaseReader(standalone.Reader):
 
     transforms = []  # type: List[Type[Transform]]
 
-    def __init__(self, *args, **kwargs) -> None:
+    def __init__(self, *args: Any, **kwargs: Any) -> None:
         from sphinx.application import Sphinx
         if len(args) > 0 and isinstance(args[0], Sphinx):
             self._app = args[0]
@@ -181,7 +181,7 @@ class SphinxDummyWriter(UnfilteredWriter):
         pass
 
 
-def SphinxDummySourceClass(source: Any, *args, **kwargs) -> Any:
+def SphinxDummySourceClass(source: Any, *args: Any, **kwargs: Any) -> Any:
     """Bypass source object as is to cheat Publisher."""
     return source
 
@@ -192,7 +192,7 @@ class SphinxBaseFileInput(FileInput):
     It supports to replace unknown Unicode characters to '?'.
     """
 
-    def __init__(self, app: "Sphinx", env: BuildEnvironment, *args, **kwds) -> None:
+    def __init__(self, app: "Sphinx", env: BuildEnvironment, *args: Any, **kwds: Any) -> None:
         self.app = app
         self.env = env
 
@@ -210,7 +210,7 @@ class SphinxFileInput(FileInput):
     """A basic FileInput for Sphinx."""
     supported = ('*',)  # RemovedInSphinx30Warning
 
-    def __init__(self, *args, **kwargs) -> None:
+    def __init__(self, *args: Any, **kwargs: Any) -> None:
         kwargs['error_handler'] = 'sphinx'
         super().__init__(*args, **kwargs)