One is a machine vision (PiCamera) & the other is robotics iRobotCreate2
For new install on Raspberry Pi:
sudo apt -y install python3-pip python3-evdev
~emanners/Robotics/iRobotCreate2$ python3 -m venv ./python3
~emanners/Robotics/iRobotCreate2/python3/bin/pip install pycreate2