Check for optional logger before using it

jupyterlab · Mar 11, 2024 · 9debc1a · 9debc1a
1 parent 1d3672f
commit 9debc1a
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/jupyterlab_server/config.py b/jupyterlab_server/config.py
@@ -137,7 +137,8 @@ def get_page_config(
                     recursive_update(page_config, data)
                     break
                 except json.decoder.JSONDecodeError:
-                    logger.warning("%s is not valid JSON", path)
+                    if logger:
+                        logger.warning("%s is not valid JSON", path)
 
     # Get the traitlets config
     static_page_config = get_static_page_config(logger=logger, level="all")