On stable version a documentation page is broken

[AmadeusZhang]

Describe the bug

The stable version of documentation does not provide StellarGraph API information.

To Reproduce

Steps to reproduce the behavior:

1. Go to StellarGraph API
2. The page provides no information

Observed behavior

No information provided on API page

Expected behavior

API information showcase, like on any other version, (e.g., on the dev version https://stellargraph.readthedocs.io/en/latest/api.html)

Environment

Operating system: Windows10

Additional context

Screenshots: https://ctrl.vi/i/h0bDdPUig

[cloudmadeofcandy]

As of January 27th, 2023, the issue has not been fixed. Could you assign this to an owner or a contributor of this repo?