[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

Author: pre-commit-ci[bot]

myst_parser/sphinx_ext/mathjax.py

@@ -71,8 +71,7 @@ def override_mathjax(app: Sphinx):
         config.setdefault("options", {})
         if (
             "processHtmlClass" in config["options"]
-            and config["options"]["processHtmlClass"]
-            != mjax_classes
+            and config["options"]["processHtmlClass"] != mjax_classes
         ):
             log_override_warning(
                 app,