Fix connection back pressure detection issue #347
Fix connection back pressure detection issue #347

renshawbay/pika-python3,zixiliuyue/pika,jstnlef/pika,vitaly-krugl/pika,benjamin9999/pika,Zephor5/pika,hugoxia/pika,reddec/pika,skftn/pika,shinji-s/pika,knowsis/pika,Tarsbot/pika,pika/pika,fkarb/pika-python3,vrtsystems/pika