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-rw-r--r--sphinx/domains/math.py4
1 files changed, 2 insertions, 2 deletions
diff --git a/sphinx/domains/math.py b/sphinx/domains/math.py
index 88b6e4eb8..49c57bda8 100644
--- a/sphinx/domains/math.py
+++ b/sphinx/domains/math.py
@@ -10,6 +10,7 @@
import warnings
from typing import Any, Dict, Iterable, List, Tuple
+from typing import TYPE_CHECKING
from docutils import nodes
from docutils.nodes import Element, Node, system_message
@@ -24,8 +25,7 @@ from sphinx.roles import XRefRole
from sphinx.util import logging
from sphinx.util.nodes import make_refnode
-if False:
- # For type annotation
+if TYPE_CHECKING:
from sphinx.application import Sphinx
from sphinx.builders import Builder