code: def get_choices(self):
          
  
          if 'choiceInfo' not in self.dto[self.name]:
              raise GPException('not a choice parameter')
          if self.get_choice_status()[1] == "NOT_INITIALIZED":
              print(self.get_choice_status())
              print("choice status not initialized")
  
              request = urllib.request.Request(self.get_choice_href())
              if self.task.server_data.authorization_header() is not None:
                  request.add_header('Authorization', self.task.server_data.authorization_header())
              request.add_header('User-Agent', 'GenePatternRest')
              response = urllib.request.urlopen(request)
              self.dto[self.name]['choiceInfo'] = json.loads(response.read().decode('utf-8'))
          return self.dto[self.name]['choiceInfo']['choices']
docs: Returns a list of dictionary objects, one dictionary object per choice.
  
          Each object has two keys defined: 'value', 'label'.
          The 'label' entry is what should be displayed on the UI, the 'value' entry
          is what is written into GPJobSpec.