required psycopg2 version does not support python3.8 and above

[abhishekmsingh]

Describe the bug
As descriped here, psycopg/psycopg2#854, psycopg version <2.8.4 does not support python3.8. Can we upgrade the psycopg version for the repository?
Or specify the dev environment to restrict python version 3.7 and below.

To Reproduce
Steps to reproduce the behavior:

1. Perform installation step with python version 3.8 or above.
2. I tested this in linux environment

Expected behavior
Installation proceeds smoothly. I tried installinng psycopg2.9.x. It works!

Desktop (please complete the following information):

• OS: [Windows using debian WSL]

[abhishekmsingh]

@Bhupesh-V

[Babithakumari]

I encountered the same error while installing requirements.txt . @Bhupesh-V Could you suggest some way to resolve this issue?