fix ruff

jupyter-server · Dec 7, 2022 · 6eb0c47 · 6eb0c47
1 parent 7b2a20e
commit 6eb0c47
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/jupyter_server/services/contents/filemanager.py b/jupyter_server/services/contents/filemanager.py
@@ -77,7 +77,7 @@ def _default_preferred_dir(self):
                     path = Path(value)
                     return path.relative_to(self.root_dir).as_posix()
                 except ValueError:
-                    raise TraitError("%s is outside root contents directory" % value)
+                    raise TraitError("%s is outside root contents directory" % value) from None
         return ""
 
     @validate("preferred_dir")