app, #319: re-raise alias/flag help-msg errors

+ After @minrk codereview: #319 (comment)
ipython · Sep 22, 2016 · d327731 · d327731
1 parent ea395a3
commit d327731
Showing 1 changed file with 6 additions and 2 deletions.
diff --git a/traitlets/config/application.py b/traitlets/config/application.py
@@ -331,7 +331,9 @@ def print_alias_help(self):
                 lines.append(indent("Equivalent to: [%s]" % longname))
             except Exception as ex:
                 self.log.error('Failed collecting help-message for aias %r, due to: %s',
-                               alias, ex, exc_info=1)
+                               alias, ex)
+                raise
+
         # lines.append('')
         print(os.linesep.join(lines))
 
@@ -357,7 +359,9 @@ def print_flag_help(self):
                 lines.append(indent(dedent(cfg_txt)))
             except Exception as ex:
                 self.log.error('Failed collecting help-message for flag %r, due to: %s',
-                               flags, ex, exc_info=1)
+                               flags, ex)
+                raise
+
         # lines.append('')
         print(os.linesep.join(lines))