def next(self):
        if self._index <= 0:
            return False

        self._index -= 1
        self._blame = None
        return True
Converts a `tornado.httpserver.HTTPRequest` to a WSGI environment.
dataset/ETHPy150Open georgebrock/git-browse/gitbrowse/git.py/GitFileHistory.next--crossover with--dataset/ETHPy150Open D-L/SimpleBookMarks/src/tornado/wsgi.py/WSGIContainer.environ