Fix aliases for values deeper in the hierarchy, fixes 631

ipython · Oct 7, 2020 · 2ea9cb5 · 2ea9cb5
1 parent 20b64f5
commit 2ea9cb5
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/traitlets/config/application.py b/traitlets/config/application.py
@@ -399,7 +399,8 @@ def emit_alias_help(self):
                     longname, fhelp = longname
                 else:
                     fhelp = None
-                classname, traitname = longname.split('.', 1)
+                classname, traitname = longname.split('.')[-2:]
+                longname = classname + '.' + traitname
                 cls = classdict[classname]
 
                 trait = cls.class_traits(config=True)[traitname]