Change Details

There was an unclear `isinstance` call on the notifications yielded from `await_pg_notifications` as a NoneType check - a better pattern is the `is not None` check. I think the reason this was there in the first place where older versions of the `await_pg_notifications` code would occasionally yield a integer signal.

There was an unclear `isinstance` call on the notifications yielded from `await_pg_notifications` as a NoneType check - a better pattern is the `is not None` check. I think the reason this was there in the first place is that older versions of the `await_pg_notifications` code would occasionally yield a integer signal.

There was an unclear `isinstance` call on the notifications yielded from `await_pg_notifications` as a NoneType check - a better pattern is the `is not None` check. I think the reason this was there in the first place whereis that older versions of the `await_pg_notifications` code would occasionally yield a integer signal.