def first_line(self, line):
        rng = self.multiline.get(line)
        if rng:
            first_line = rng[0]
        else:
            first_line = line
        return first_line
Return the first line number of the statement including `line`.
dataset/ETHPy150Open RoseOu/flasky/venv/lib/python2.7/site-packages/coverage/parser.py/CodeParser.first_line