(pid=1042) [2022-02-08 10:16:54,601 E 1042 1248] core_worker_process.cc:347: The global worker has already been shutdown. This happens when the language frontend accesses the Ray's worker after it is shutdown. The process will exit
Traceback (most recent call last):
  File "workloads/many_drivers.py", line 124, in <module>
    ray.get(ready_id)
  File "/home/ray/anaconda3/lib/python3.7/site-packages/ray/_private/client_mode_hook.py", line 105, in wrapper
    return func(*args, **kwargs)
  File "/home/ray/anaconda3/lib/python3.7/site-packages/ray/worker.py", line 1934, in get
    raise value.as_instanceof_cause()
ray.exceptions.RayTaskError(UnicodeDecodeError): ray::run_driver() (pid=1044, ip=172.31.86.142)
  File "workloads/many_drivers.py", line 92, in run_driver
    output = run_string_as_driver(driver_script)
UnicodeDecodeError: 'ascii' codec can't decode byte 0xe2 in position 421: ordinal not in range(128)