Also make sure we use pip < 10.0.0
@@ -193,7 +193,7 @@ if [ "${CREATE_VIRTUALENV}" = true ]; then
activate_virtualenv
# Make sure virtualenv is using latest pip version
- ${VIRTUALENV_DIR}/bin/pip install --upgrade pip
+ ${VIRTUALENV_DIR}/bin/pip install --upgrade "pip>=9.0,<9.1"
fi
if [ ! -d "${VIRTUALENV_DIR}" ]; then
