code: def choice_complete(self, ctx, incomplete):
      
      return [
          (c, None) for c in self.choices
          if completion_configuration.match_incomplete(c, incomplete)
      ]
docs: Returns the completion results for click.core.Choice
  
      Parameters
      ----------
      ctx : click.core.Context
          The current context
      incomplete :
          The string to complete
  
      Returns
      -------
      [(str, str)]
          A list of completion results