Python : error: subprocess-exited-with-error -- If you prefer to avoid building psycopg2 from source, please install the PyPI 'psycopg2-binary' package instead.

"pg_config executable not found"

pip install psycopg2-binary

https://www.geeksforgeeks.org/python/how-to-fix-pg_config-executable-not-found-in-python/#for-linux-stepbystep-approach