apply_async: New argument waitforslot, if set to True waits until there are processes able to process the job.
apply_async: New argument waitforslot, if set to True waits until there are processes able to process the job.

jakirkham/billiard,jakirkham/billiard,pombredanne/billiard,djsmith42/billiard,pombredanne/billiard,flaviogrossi/billiard,andresriancho/billiard,flaviogrossi/billiard,djsmith42/billiard,andresriancho/billiard