I got tired of seeing a mix of next(self.ts) self.ts() next(self.ts_iter) all over the place -- let's at least eliminate *one* of those. Signed-off-by: Tim Burke <tim.burke@gmail.com> Related-Change: https://review.opendev.org/c/openstack/swift/+/976288 Change-Id: Ia654065f746c204bcb6ec3f9ab18f869cdf2f6d9