+ try:
+ result = cwltool.docker.DockerCommandLineJob.get_image(dockerRequirement, pull_image,
+ force_pull, tmp_outdir_prefix)
+ if not result:
+ raise WorkflowException("Docker image '%s' not available" % dockerRequirement["dockerImageId"])
+ except OSError as e:
+ raise WorkflowException("While trying to get Docker image '%s', failed to execute 'docker': %s" % (dockerRequirement["dockerImageId"], e))