fixed birthplace function overwrite bug

example/actions.py

@@ -31,9 +31,8 @@ class ActionUtterBirthplace(Action):
     def run(self, dispatcher, tracker, domain):
         person = tracker.get_slot('physicist')
         birthplace = tracker.get_slot('birthplace')
-        dispatcher.utter_message(birthplace)
         if  birthplace == None:
-            dispatcher.utter_message("Error: Birthplace of " + person + "not known.")
+            dispatcher.utter_message("Error: Birthplace of " + person + " not known.")
         else:
             dispatcher.utter_message("The birthplace of " + person + " is " + birthplace + ".")
         return []
@@ -43,7 +42,7 @@ class ActionUtterBirthplace(Action):
 #
 class ActionSearchDayOfDeath(Action):
     def name(self):
-        return 'action_search_birthplace'
+        return 'action_search_day_of_death'
 
     def run(self, dispatcher, tracker, domain):
         import csv