how can I use sagemaker_sklearn_extension in Sagemaker job?

Question

I'm creating a data processing job in sagemaker notebook:

```
from sagemaker.sklearn.processing import SKLearnProcessor

sklearn_processor = SKLearnProcessor(role=role,
                                     base_job_name='end-to-end-ml-sm-proc',
                                     instance_type='ml.m5.large',
                                     instance_count=1,
                                     framework_version='0.23-1')
```

my processing script uses :

```
from sagemaker_sklearn_extension.decomposition import RobustPCA
```

and I get an error during the job exectution:

```
Traceback (most recent call last):
  File "/opt/ml/processing/input/code/preprocessor.py", line 14, in 
    from sagemaker_sklearn_extension.decomposition import RobustPCA
ModuleNotFoundError: No module named 'sagemaker_sklearn_extension'
```

as far as I understrand :
framework_version='0.23-1' should make sagemaker create docker image based on image from that repo:
https://github.com/aws/sagemaker-scikit-learn-container
and the  0.23-1 branch handles extensions installation (if extenssion/Dockerfile.cpu file is executed), but I don't see how I can make Sagemaker run that script when creating the job.

how can I use sagemaker_sklearn_extension in Sagemaker job?

Answer

There is a way to install the packages that you need via subprocess on the entry_point.py:

import subprocess
# lets pip install the custom package
subprocess.check_call([sys.executable, "-m", "pip", "install", "sagemaker-scikit-learn-extension==(your version)"])

how can I use sagemaker_sklearn_extension in Sagemaker job?

lets pip install the custom package

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