import ast
import multiprocessing
import sys

def test_ast_parse(expected_tabcheck):
    ast.parse('if 1:\n\t1\n' + '\x20' * 8 +'1')
    assert sys.flags.tabcheck == expected_tabcheck, 'sys.flags.tabcheck == {0} != {1}'.format(sys.flags.tabcheck, expected_tabcheck)

if __name__ == '__main__':
    p = multiprocessing.Process(
        target=test_ast_parse,
        args=(sys.flags.tabcheck,)
    )
    p.start()
    p.join()