Hands-On Image Processing with Python

Installing pip

We are going to use the pip (or pip3) tool to install the libraries, so—if it isn't already installed—we need to install pip first. As mentioned here (https://pip.pypa.io/en/stable/installing/#do-i-need-to-install-pip), pip is already installed if we are using Python 3 >=3.4 downloaded from python.org, or if we are working in a Virtual Environment (https://packaging.python.org/tutorials/installing-packages/#creating-and-using-virtual-environments) created by virtualenv (https://packaging.python.org/key_projects/#virtualenv) or pyvenv (https://packaging.python.org/key_projects/#venv). We just need to make sure to upgrade pip (https://pip.pypa.io/en/stable/installing/#upgrading-pip). How to install pip for different OSes or platforms ...