BUG: nested exceptions clobber the exception context, must reraise with named arg

y-p · y-p · commit f2db4c170850 · 2012-11-09T01:34:09.000+02:00
diff --git a/pandas/core/frame.py b/pandas/core/frame.py
@@ -3919,7 +3919,7 @@ def _apply_standard(self, func, axis, ignore_failures=False):
                 except (NameError, UnboundLocalError):  # pragma: no cover
                     # no k defined yet
                     pass
-                raise
+                raise e
 
         if len(results) > 0 and _is_sequence(results[0]):
             if not isinstance(results[0], Series):
