def test_shebang(self):
        """
        The example scripts start with the standard shebang line.
        """
        with self.examplePath.open() as f:
            self.assertEqual(f.readline().rstrip(), b'#!/usr/bin/env python')

        The example scripts start with the standard shebang line.
        
stackoverflow/venv/lib/python3.6/site-packages/twisted/names/test/test_examples.py