python3 -m pip show urllib3 python3 -m pip show requests

If the paths point to /usr/local/lib, these are overriding system packages. Remove the conflicting Python packages to avoid interference.

sudo pip3 uninstall urllib3 requests requests-toolbelt

Reinstall the certbot package to ensure all its dependencies are intact.

sudo apt update sudo apt install --reinstall certbot python3-certbot