message: Print Python version and specific environment in ci_build.sh
  This is useful to determine exactly which packages are installed in the ci_sanity environment.
diff: @@ -126,6 +126,12 @@ do_pylint() {
  # Now that we know we have to do work, check if `pylint` is installed
  PYLINT_BIN="python3.8 -m pylint"
  + echo ""
  + echo "print python version and pip freeze for debugging."
  + echo ""
  + python3.8
  + python3.8 -m pip freeze
  +
  echo ""
  echo "check whether pylint is available or not."
  echo ""
  