SHELL

python2 pip install kali

curl https://bootstrap.pypa.io/get-pip.py -o get-pip.py
sudo python get-pip.py

how to install pip2 in kali linux 2021

mk007@linuxlia:~$ sudo apt-get update
mk007@linuxlia:~$ sudo apt-get install build-essential checkinstall
mk007@linuxlia:~$ sudo apt-get install libreadline-gplv2-dev libncursesw5-dev libssl-dev libsqlite3-dev tk-dev li