🔧 Minor fix for sphinx 8.2 compat

closes #1010

Author: chrisjsewell

myst_parser/mdit_to_docutils/base.py

@@ -716,8 +716,9 @@ def render_fence(self, token: SyntaxTreeNode) -> None:
         if not name and self.sphinx_env is not None:
             # use the current highlight setting, via the ``highlight`` directive,
             # or ``highlight_language`` configuration.
-            name = self.sphinx_env.temp_data.get(
-                "highlight_language", self.sphinx_env.config.highlight_language
+            name = (
+                self.sphinx_env.temp_data.get("highlight_language")
+                or self.sphinx_env.config.highlight_language
             )
 
         lineno_start = 1

tox.ini

@@ -20,6 +20,7 @@ usedevelop = true
 deps =
     sphinx7: sphinx>=7,<8
     sphinx8: sphinx>=8,<9
+    pygments<2.19  # TODO fix test regression with 2.19
 extras =
     linkify
     testing