我们注意到我们的作业失败，dataproc 集群上出现以下错误。
ERROR: gcloud crashed (AttributeError): 'bool' object has no attribute 'lower'
If you would like to report this issue, please run the following command:
gcloud feedback
To check gcloud for common problems, please run the following command:
gcloud info --run-diagnostics
运行诊断不会产生有价值的见解：
$ gcloud info --run-diagnostics
Network diagnostic detects and fixes local network connection issues.
Checking network connection...done.
Reachability Check passed.
Network diagnostic passed (1/1 checks passed).
Property diagnostic detects issues that may be caused by properties.
Checking hidden properties...done. …