With this update, I find myself getting the following error when starting a worker on Heroku:

app/worker.1 redis.exceptions.ResponseError: Command # 2 (HSET rq:worker:d10e75607d00442686c9856744c639e1 birth 2020-05-20T19:32:16.172931Z last_heartbeat 2020-05-20T19:32:16.172931Z queues high,default,low pid 4 hostname c919b373-dde4-48af-a9f7-2760ed9acb5a version 1.4.1 python_version 3.7.5 (default, Oct 17 2019, 21:38:12)
app/worker.1 [GCC 7.4.0]) of pipeline caused error: wrong number of arguments for 'hset' command

When I use 1.4.0 prior to this PR, it seems to work all right.