code: def one_of(inners, arg):
      
      for inner in inners:
          with suppress(com.IbisTypeError, ValueError):
              return inner(arg)
  
      rules_formatted = ', '.join(map(repr, inners))
      raise com.IbisTypeError(
          'Arg passes neither of the following rules: {}'.format(rules_formatted)
      )
docs: At least one of the inner validators must pass