1 files changed, 3 insertions, 8 deletions
diff --git a/sphinx/util/pycompat.py b/sphinx/util/pycompat.py
index dca2849c2..06d3bcc2c 100644
--- a/sphinx/util/pycompat.py
+++ b/sphinx/util/pycompat.py
@@ -13,6 +13,7 @@ import io
 import sys
 import textwrap
 import warnings
+from typing import Any, Callable
 
 from sphinx.deprecation import RemovedInSphinx40Warning, deprecated_alias
 from sphinx.locale import __
@@ -20,10 +21,6 @@ from sphinx.util import logging
 from sphinx.util.console import terminal_safe
 from sphinx.util.typing import NoneType
 
-if False:
-    # For type annotation
-    from typing import Any, Callable  # NOQA
-
 
 logger = logging.getLogger(__name__)
 
@@ -33,8 +30,7 @@ logger = logging.getLogger(__name__)
 
 # convert_with_2to3():
 # support for running 2to3 over config files
-def convert_with_2to3(filepath):
-    # type: (str) -> str
+def convert_with_2to3(filepath: str) -> str:
     from lib2to3.refactor import RefactoringTool, get_fixers_from_package
     from lib2to3.pgen2.parse import ParseError
     fixers = get_fixers_from_package('lib2to3.fixes')
@@ -62,8 +58,7 @@ class UnicodeMixin:
         return self.__unicode__()
 
 
-def execfile_(filepath, _globals, open=open):
-    # type: (str, Any, Callable) -> None
+def execfile_(filepath: str, _globals: Any, open: Callable = open) -> None:
     from sphinx.util.osutil import fs_encoding
     with open(filepath, 'rb') as f:
         source = f.read()