libxml install error using pip
** make sure the development packages of libxml2 and libxslt are installed ** From the lxml documentation, assuming you are running a Debian-based distribution : sudo apt-get install libxml2-dev libxslt-dev python-dev For Debian based systems, it should be enough to install the known build dependencies of python-lxml or python3-lxml, e.g. sudo apt-get install build-dep python3-lxml