Module documentation not available on readthedocs.io
## Summary
documentation at https://python-gitlab-management.readthedocs.io not displaying the module documentation.
Version [0.1.2.rc2006061112](https://python-gitlab-management.readthedocs.io/en/0.1.2.rc2006061112/module/modules.html) was the last version to display the module documentation. no subsequent version displays the module docs.
## Steps to reproduce
<!-- How one can reproduce the issue - this is very important -->
### What is the current *bug* behavior?
The module docs are not generated on readthedocs.io. *(does work for local build)*
### What is the expected *correct* behavior?
module documentation is created on readthedocs.io
## Relevant logs and/or screenshots
* [Comparison of commits where the change occured](https://gitlab.com/nofusscomputing/projects/python-gitlab-management/-/compare/5e3cd9ba1fa884e28eaad6cc7c03d62cc60faec5...ff99a5594f4c89858eb629856a7097f09e9d0391)
* discovered after MR !5
## Possible fixes
* *UKN - * sys import path?
## Details
* **Module Version:** *All after 0.1.2.rc2006061112*
* **Python Version:** *3.6.9*
* **Environment:** *readthedocs.io build server*
## Tasks
<!-- List any additional to do tasks under here:-->
* [ ] ~Documentation, documentation changes completed *(if applicable)*
* [x] ~"bug::reproducable" ??
issue