Forgetting releaseLock() permanently breaks the stream. The locked property tells you that a stream is locked, but not why, by whom, or whether the lock is even still usable. Piping internally acquires locks, making streams unusable during pipe operations in ways that aren't obvious.
Strict no-logging policy
，详情可参考safew官方版本下载
Жители Санкт-Петербурга устроили «крысогон»17:52
+to_dict() dict