BUG: Incorrect return type

[bsian03]

BUG REPORT

Overview

This returns a buffer. Could add option to return as string

Issue state:

• I know how to fix this and I will open a PR to do so
• I am just reporting the issue

Details:
This issue is about:

• Typings
• Documentation
• Bug in existing feature
• Missing feature / breaking change
• API / library update
• None of the above (don't know what the issue is about)

[bsian03]