if "JOB_UUID" in os.environ:
requested = arvados.api().jobs().get(uuid=os.environ["JOB_UUID"]).execute()["runtime_constraints"]["min_ram_mb_per_node"]
else:
if "JOB_UUID" in os.environ:
requested = arvados.api().jobs().get(uuid=os.environ["JOB_UUID"]).execute()["runtime_constraints"]["min_ram_mb_per_node"]
else: