mitmproxy无法抓包报错Error in HTTP connection: Http2ZombieException(‘Connection or stream already dead: 1

使用mitmproxy进行抓包时遇到Http2ZombieException错误，导致无法正常工作。通过检查代码，发现在类方法后添加相应代码可以解决问题。修复后，mitmproxy成功启动并实现正常抓包。

一.问题描述

mitmweb -s .\get_data.py -p 8084

启动后访问浏览器网页终端一直报错，不能实现抓包

::ffff:127.0.0.1:51744: ProtocolException("Error in HTTP connection: Http2ZombieException('Connection or stream already dead: 
1625732007.8619282, False')")
127.0.0.1:60935: clientconnect
127.0.0.1:61296: clientdisconnect
127.0.0.1:62925: clientconnect
127.0.0.1:55208: clientdisconnect
127.0.0.1:62925: clientdisconnect
127.0.0.1:51521: clientconnect
127.0.0.1:51521: clientdisconnect
127.0.0.1:61404: clientconnect
127.0.0.1:50347: clientdisconnect
127.0.0.1:51793: clientdisconnect
127.0.0.1:63211: clientconnect
127.0.0.1:63211: clientdisconnect
127.0.0.1:54482: clientdisconnect
127.0.0.1:60935: clientdisconnect
127.0.0.1:63219: clientconnect
127.0.0.1:56665: clientconnect
::ffff:127.0.0.1:63362: HTTP/2 connection terminated by server: error code: 0, last stream id: 1, additional data: None
127.0.0.1:63362: clientdisconnect
::ffff:127.0.0.1:57282: HTTP/2 connection terminated by server: error code: 0, last stream id: 5, additional data: None
127.0.0.1:57282: clientdisconnect
::ffff:127.0.0.1:49948: HTTP/2 connection terminated by server: error code: 0, last stream id: 9, additional data: None       
127.0.0.1:49948: clientdisconnect
::ffff:127.0.0.1:52418: HTTP/2 connection terminated by server: error code: 0, last stream id: 7, additional data: None
127.0.0.1:52418: clientdisconnect
127.0.0.1:53827: clientdisconnect
127.0.0.1:58364: clientconnect
127.0.0.1:58629: clientconnect
127.0.0.1:61404: clientdisconnect
127.0.0.1:58364: clientdisconnect
::ffff:127.0.0.1:54339: HTTP/2 connection terminated by server: error code: 0, last stream id: 5, additional data: None
127.0.0.1:54339: clientdisconnect
::ffff:127.0.0.1:54068: HTTP/2 connection terminated by server: error code: 0, last stream id: 5, additional data: None
127.0.0.1:54068: clientdisconnect