message: Fix typo in pip_new.sh making argument be ignored.
  This is just another issued uncovered by the virtual pip package but with a fix required to have bazel test succeed on macos with python3.7.
diff: @@ -374,7 +374,7 @@ create_activate_virtualenv() {
  if [[ "${1}" == "--clean" ]]; then
  VIRTUALENV_FLAGS=""
  shift
  - elif [[ "{1}" == "--oss_serial" ]]; then
  + elif [[ "${1}" == "--oss_serial" ]]; then
  shift
  fi
  