if r.status_code in (429, 503):
明知他人从事前款活动，为其提供条件的，依照前款的规定处罚。，推荐阅读搜狗输入法下载获取更多信息
，更多细节参见heLLoword翻译官方下载
Nature, Published online: 25 February 2026; doi:10.1038/d41586-026-00446-7。Line官方版本下载是该领域的重要参考
Stream implementations can and do ignore backpressure; and some spec-defined features explicitly break backpressure. tee(), for instance, creates two branches from a single stream. If one branch reads faster than the other, data accumulates in an internal buffer with no limit. A fast consumer can cause unbounded memory growth while the slow consumer catches up — and there's no way to configure this or opt out beyond canceling the slower branch.