Workaround for get-pip when pip+setuptools present

Ref: pypa/pip#10742

Author: stefanlupsa

Diff for: tools/install_pip.sh

@@ -89,6 +89,10 @@ function install_get_pip {
             die $LINENO "Download of get-pip.py failed"
         touch $LOCAL_PIP.downloaded
     fi
+    # Workaround when pip + setuptools is present alognside distutils
+    # ref: https://github.com/pypa/pip/issues/10742
+    # Is idempotent for setuptools but will fail when pip is not present
+    sudo -H -E python${PYTHON3_VERSION} -m pip uninstall setuptools -y || true
     sudo -H -E python${PYTHON3_VERSION} $LOCAL_PIP
 }