code: def help(context, command):
      '''Get command help'''
      if command:
          cmd = cli.commands.get(command, None)
          if cmd:
              context.info_name = command
              click.echo(cmd.get_help(context))
          else:
              raise click.ClickException('no command: %s' % command)
      else:
          click.echo(cli.get_help(context)f help(context, command):
      '''Get command help'''
      if command:
          cmd = cli.commands.get(command, None)
          if cmd:
              context.info_name = command
              click.echo(cmd.get_help(context))
          else:
              raise click.ClickException('no command: %s' % command)
      else:
          click.echo(cli.get_help(context))
docs: Get command help