def error(self, mess):
    raise RegexpSyntaxError("Syntax error in regexp %s at position %d: %s" % (
      repr(self.s), self.i, mess))
Given the `@@ ... @@` header from the beginning of a hunk, return
dataset/ETHPy150Open ardekantur/pyglet/contrib/layout/layout/Plex/Traditional.py/REParser.error--crossover with--dataset/ETHPy150Open divmain/GitSavvy/common/util/parse_diff.py/_get_metadata