def line_position(self, filename, line):
        changes = self.all_changes(filename)
        if len(changes):
            return changes[0].line_position(line)
        return None
Filters a sequence of objects by applying a test to the object and
dataset/ETHPy150Open markstory/lint-review/lintreview/diff.py/DiffCollection.line_position--crossover with--dataset/ETHPy150Open GoogleCloudPlatform/appengine-flask-skeleton/lib/jinja2/filters.py/do_reject