AWS Lambda with Librosa

lambda_handler.py

import json
import sys
import os

## Mount EFS path before attempting 
## to import the next dependencies
sys.path.append('/mnt/access/pkgs')

import numpy as np
import librosa

def lambda_handler(event, context):
    versions = {
        'numpy': np.__version__,
        'librosa': librosa.__version__
    }
    return {
        'statusCode': 200,
        'body': json.dumps(versions)
    }