Use typing.TYPE_CHECKING for typehints

1 files changed, 2 insertions, 2 deletions

diff --git a/sphinx/util/nodes.py b/sphinx/util/nodes.py
index f439c515e..9b1e81490 100644
--- a/sphinx/util/nodes.py
+++ b/sphinx/util/nodes.py
@@ -11,6 +11,7 @@
 from __future__ import absolute_import
 
 import re
+from typing import TYPE_CHECKING
 
 from docutils import nodes
 from six import text_type
@@ -19,8 +20,7 @@ from sphinx import addnodes
 from sphinx.locale import pairindextypes
 from sphinx.util import logging
 
-if False:
-    # For type annotation
+if TYPE_CHECKING:
     from typing import Any, Callable, Iterable, List, Set, Tuple, Union  # NOQA
     from sphinx.builders import Builder  # NOQA
     from sphinx.utils.tags import Tags  # NOQA