'Run python script with ExecuteStreamCommand in NiFi (deployed in AWS)

I try to run my simple "hello print" python script in apache NiFi by using ExecuteStreamCommand.

For your information, this apache NiFi is deployed in AWS EC2 Instances.

I have tried to follow this documentation below:

but I always get error saying that No such a file directory....

It seems that the flow file can not find the directory in which I put my python script.

For your reference, this is my configuration look likes:

Command Arguments: [my s3 buckets]
Command Path: /usr/bin/python3.8
Argument Delimiter: ;

Since my apache NiFi is deployed in AWS, so I put my python script into my s3 bucket. But the error said that "no such a file directory".

Does anyone know how and where I supposed to save my python script in order for my NiFi can access it in the flow file

Thanks in advance.

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