code: def test_parse_extra_op():
      extra_operators = [Operator("|", 2, 250)]
      _do_parse_test(_parser_tests, extra_operators=extra_operators)
      _do_parse_test(
          _extra_op_parser_tests, extra_operators=extra_operators
      )
      test_parse_errors(extra_operators=extra_operators)
  
imports: from __future__ import print_function
  import tokenize
  import six
  from six.moves import cStringIO
  from patsy import PatsyError
  from patsy.origin import Origin
  from patsy.infix_parser import Token, Operator, infix_parse, ParseNode
  from patsy.tokens import python_tokenize, pretty_untokenize
  from patsy.util import PushbackAdapter
label_desc: Use image node_id 12 for calling a global function with example usage: test_parse_extra_op() without return types