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-rw-r--r--sphinx/ext/mathjax.py1
1 files changed, 1 insertions, 0 deletions
diff --git a/sphinx/ext/mathjax.py b/sphinx/ext/mathjax.py
index 3786c8107..e8c0d4b44 100644
--- a/sphinx/ext/mathjax.py
+++ b/sphinx/ext/mathjax.py
@@ -26,6 +26,7 @@ if False:
from sphinx.application import Sphinx # NOQA
from sphinx.environment import BuildEnvironment # NOQA
from sphinx.writers.html import HTMLTranslator # NOQA
+ from sphinx.util.typing import unicode # NOQA
def html_visit_math(self, node):