1 files changed, 3 insertions, 3 deletions
diff --git a/sphinx/parsers.py b/sphinx/parsers.py
index fb6c263c9..635cd6d50 100644
--- a/sphinx/parsers.py
+++ b/sphinx/parsers.py
@@ -10,6 +10,7 @@
 
 import warnings
 from typing import Any, Dict, List, Type, Union
+from typing import TYPE_CHECKING
 
 import docutils.parsers
 import docutils.parsers.rst
@@ -21,8 +22,7 @@ from docutils.transforms.universal import SmartQuotes
 from sphinx.deprecation import RemovedInSphinx50Warning
 from sphinx.util.rst import append_epilog, prepend_prolog
 
-if False:
-    # For type annotation
+if TYPE_CHECKING:
     from docutils.transforms import Transform  # NOQA
     from sphinx.application import Sphinx
 
@@ -70,7 +70,7 @@ class Parser(docutils.parsers.Parser):
 class RSTParser(docutils.parsers.rst.Parser, Parser):
     """A reST parser for Sphinx."""
 
-    def get_transforms(self) -> List[Type[Transform]]:
+    def get_transforms(self) -> List[Type["Transform"]]:
         """Sphinx's reST parser replaces a transform class for smart-quotes by own's
 
         refs: sphinx.io.SphinxStandaloneReader