import boto3
import json
client = boto3.client('s3',
aws_access_key_id=AWS_ACCESS_KEY_ID,
aws_secret_access_key=AWS_SECRET_ACCESS_KEY
)
# image_info is a python dict
client.put_object(
Body=json.dumps(image_info, indent=4),
Bucket=S3_BUCKET_NAME,
Key='simple.json')