docs: def edit_choice(self, new_choice, choice_id, inline_region):
          """edit an existing choice, to keep the ID the same"""
          if inline_region not in self.my_osid_object_form._my_map['choices']:
              raise IllegalState('that inline region does not exist')
          if not isinstance(new_choice, DisplayText):
              raise InvalidArgument('new choice is not a DisplayText object')
          choices = [c for c in self.my_osid_object_form._my_map['choices'][inline_region] if c['id'] == choice_id]
          if len(choices) == 0:
              raise InvalidArgument('invalid choice_id for that region')
  
          for current_choice in self.my_osid_object_form._my_map['choices'][inline_region]:
              if choice_id == current_choice['id']:
                  index = self.get_index_of_language_type('texts',
                                                          new_choice.language_type,
                                                          dictionary=current_choice)
  
                  current_choice['texts'][index] = self._dict_display_text(new_choice)