def get_app_iter(self, environ):
        status = self.status_code
        if environ['REQUEST_METHOD'] == 'HEAD' or \
           100 <= status < 200 or status in (204, 304):
            iterable = ()
        elif self.direct_passthrough:
            if __debug__:
                _warn_if_string(self.response)
            return self.response
        else:
            iterable = self.iter_encoded()
        return ClosingIterator(iterable, self.close)
Returns the application iterator for the given environ.  Depending
dataset/ETHPy150Open Eforcers/gae-flask-todo/lib/werkzeug/wrappers.py/BaseResponse.get_app_iter