python_magic needs to handle none_on_fail

Calysto · Sep 8, 2014 · f86cd69 · f86cd69
1 parent 537e1ff
commit f86cd69
Showing 1 changed file with 3 additions and 3 deletions.
diff --git a/jupyter_kernel/magics/python_magic.py b/jupyter_kernel/magics/python_magic.py
@@ -76,15 +76,15 @@ def get_completions(self, info):
         completions = [before + c.name_with_symbols for c in completions]
         return completions
 
-    def get_help_on(self, info, level=0):
+    def get_help_on(self, info, level=0, none_on_fail=False):
         """Implement basic help for functions"""
 
         if not info['rest']:
-            return ''
+            return None if none_on_fail else ''
 
         last = info['obj']
 
-        default = 'No help available for "%s"' % last
+        default = None if none_on_fail else ('No help available for "%s"' % last)
 
         parts = last.split('.')