message: tf nightly build fix attempt - add `-y option to install command.
diff: @@ -18,7 +18,7 @@ set -e
  sudo add-apt-repository -y ppa:deadsnakes/ppa
  sudo apt-get -y update
  -sudo apt-get install python3.8
  +sudo apt-get install -y python3.8
  # Get the latest version of pip so it recognize manylinux2010
  wget https://bootstrap.pypa.io/get-pip.py
  