Reset current_tups even when receiving heartbeat
Reset current_tups even when receiving heartbeat

Without this change, we could potentially fail the wrong tuple if there are problems later.
hodgesds/streamparse,codywilbourn/streamparse,petchat/streamparse,msmakhlouf/streamparse,crohling/streamparse,msmakhlouf/streamparse,hodgesds/streamparse,scrapinghub/streamparse,msmakhlouf/streamparse,eric7j/streamparse,scrapinghub/streamparse,crohling/streamparse,petchat/streamparse,petchat/streamparse,msmakhlouf/streamparse,eric7j/streamparse,codywilbourn/streamparse,Parsely/streamparse,msmakhlouf/streamparse,scrapinghub/streamparse,scrapinghub/streamparse,phanib4u/streamparse,Parsely/streamparse,scrapinghub/streamparse,petchat/streamparse,phanib4u/streamparse,petchat/streamparse