title: Boto3 ContentDisposition inline not working
body: <p>I am using boto3 in my django-restfrmework project for uploading images to amazon. But i am facing issue. My image starting downloading automatically whenever i place url in browser. I set property <strong>ContentDisposition='inline'</strong>, but still my image download. Any trick with this? </p>
  
  <pre><code>session = boto3.Session(
                      aws_access_key_id=YOUR_ACCESS_KEY,
                      aws_secret_access_key=YOUR_SECRET_KEY,
                      region_name=YOUR_AWS_REGION
                  )
                  s3 = session.resource('s3')
                  bucket = s3.Bucket(AWS_BUCKET_NAME)
  
  bucket.put_object(Key=image_name, Body=file, ACL='public-read', ContentDisposition='inline')
  </code></pre>