When we try to install python3-pip on Kali Linux 2021, the error “E: Invalid operation python3-pip” appears. To solve this, we will run the following commands.

E: Invalid operation python3-pip

Resolving “E: Invalid operation python3-pip” Errors

To solve the “E: Invalid operation python3-pip” error, run the following commands in order.

echo "deb http://http.kali.org/kali kali-rolling main non-free contrib" | sudo tee /etc/apt/sources.list
sudo apt-get install software-properties-common
sudo add-apt-repository ppa:deadsnakes/ppa
sudo apt-get update
sudo apt-get install python3-pip