in s3-efs/app.py [0:0]
def lambda_handler(event, context):
if not os.path.isdir(model_dir):
os.system('mkdir /mnt/ml/models/')
bucket_name = event['Records'][0]['s3']['bucket']['name']
key = event['Records'][0]['s3']['object']['key']
s3.download_file(bucket_name, key, f'{model_dir}/{key}')
print("ML Model file downloaded!")