message: Install pip with python3.8.
diff: @@ -18,7 +18,7 @@ set -e
  # Get the latest version of pip so it recognize manylinux2010
  wget https://bootstrap.pypa.io/get-pip.py
  -python3 get-pip.py
  +python3.8 get-pip.py
  python get-pip.py
  rm -f get-pip.py
  