message: Use deadsnakes/ppa to get newer Python versions.
diff: @@ -24,6 +24,7 @@ echo
  echo "========================================"
  echo "Host updating packages"
  echo "----------------------------------------"
  +sudo add-apt-repository ppa:deadsnakes/ppa
  sudo apt-get update
  echo "----------------------------------------"
  @@ -41,7 +42,7 @@ sudo apt-get install -y \
  m4 \
  make \
  psmisc \
  - python3.7 \
  + python3.8 \
  wget
  echo "----------------------------------------"
  