EMR cluster: An error occurred (ThrottlingException)

[Sunil Bhati]

while running below scout scan with bellow command
python3 scout.py aws --profile $profile -r $region

The scan stucks with error -
emr.py L22: Failed to describe EMR cluster: An error occurred (ThrottlingException) when calling the DescribeCluster operation (reached max retries: 4): Rate exceeded

Have tried with adding --max-worker and --max-rate but still getting same error
python3 scout.py aws --profile $profile -r $region --max-workers 3 --max-rate 3

Need quick help here