Removing the ubuntu package and installing pip via its official installer, as suggested here https://github.com/pypa/pip/issues/1093#issuecomment-103127883, is an adequate workaround.
Removing the ubuntu package and installing pip via its official installer, as suggested here https:/ /github. com/pypa/ pip/issues/ 1093#issuecomme nt-103127883, is an adequate workaround.