Fix when markdown extensions is set to None

Fixes #18
oprypin · Apr 21, 2023 · 0825f8a · 0825f8a
1 parent 46eba2d
commit 0825f8a
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/mkdocs_literate_nav/parser.py b/mkdocs_literate_nav/parser.py
@@ -55,7 +55,7 @@ def markdown_to_nav(self, roots: tuple[str, ...] = (".",)) -> Nav:
             nav_file_name, md = dir_nav
             markdown_config = dict(
                 self._markdown_config,
-                extensions=[ext, *self._markdown_config.get("extensions", ())],
+                extensions=[ext, *(self._markdown_config.get("extensions") or ())],
             )
             markdown.markdown(md, **markdown_config)
             if ext.nav is not None: