Fix errors

Author: esrakartalOpt

optimizely/event/event_factory.py

@@ -101,7 +101,7 @@ def create_log_event(
         event_params = event_batch.get_event_params()
 
         region = user_context.region or 'US'
-        endpoint = cls.EVENT_ENDPOINTS.get(region)
+        endpoint = cls.EVENT_ENDPOINTS.get(region, cls.EVENT_ENDPOINTS['US'])
 
         return log_event.LogEvent(endpoint, event_params, cls.HTTP_VERB, cls.HTTP_HEADERS)
 

optimizely/event_builder.py

@@ -270,7 +270,7 @@ def create_impression_event(
         params[self.EventParams.USERS][0][self.EventParams.SNAPSHOTS].append(impression_params)
 
         region = project_config.region or 'US'
-        events_url = self.EVENTS_URLS.get(region)
+        events_url = self.EVENTS_URLS.get(region, self.EVENTS_URLS['US'])
 
         return Event(events_url, params, http_verb=self.HTTP_VERB, headers=self.HTTP_HEADERS)
 
@@ -297,6 +297,6 @@ def create_conversion_event(
         params[self.EventParams.USERS][0][self.EventParams.SNAPSHOTS].append(conversion_params)
 
         region = project_config.region or 'US'
-        events_url = self.EVENTS_URLS.get(region)
+        events_url = self.EVENTS_URLS.get(region, self.EVENTS_URLS['US'])
 
         return Event(events_url, params, http_verb=self.HTTP_VERB, headers=self.HTTP_HEADERS)