Use typing.TYPE_CHECKING for typehints

1 files changed, 2 insertions, 2 deletions

diff --git a/sphinx/writers/text.py b/sphinx/writers/text.py
index 5e870efa2..12103042f 100644
--- a/sphinx/writers/text.py
+++ b/sphinx/writers/text.py
@@ -12,6 +12,7 @@ import os
 import re
 import textwrap
 from itertools import groupby
+from typing import TYPE_CHECKING
 
 from docutils import nodes, writers
 from docutils.utils import column_width
@@ -21,8 +22,7 @@ from sphinx import addnodes
 from sphinx.locale import admonitionlabels, _
 from sphinx.util import logging
 
-if False:
-    # For type annotation
+if TYPE_CHECKING:
     from typing import Any, Callable, Dict, List, Tuple, Union  # NOQA
     from sphinx.builders.text import TextBuilder  # NOQA