message: [ci_build] Upgrade `setuptools`
diff: @@ -448,11 +448,10 @@ install_tensorflow_pip() {
  # Check that requested python version matches configured one.
  check_python_pip_version
  - # Force upgrade of setuptools. This must happen before the pip install of the
  - # WHL_PATH, which pulls in absl-py, which uses install_requires notation
  - # introduced in setuptools >=20.5. The default version of setuptools is 5.5.1,
  - # which is too old for absl-py.
  - ${PIP_BIN_PATH} install --upgrade setuptools==39.1.0 || \
  + # Force upgrade of setuptools. We need it to install pips using
  + # `install_requires` notation introduced in setuptools >=20.5. The default
  + # version of setuptools is 5.5.1.
  + ${PIP_BIN_PATH} install --upgrade setuptools || \
  die "Error: setuptools install, upgrade FAILED"
  # Force tensorflow reinstallation. Otherwise it may not get installed from
  @@ -462,13 +461,6 @@ install_tensorflow_pip() {
  die "pip install (forcing to reinstall tensorflow) FAILED"
  echo "Successfully installed pip package ${WHL_PATH}"
  - # Force downgrade of setuptools. This must happen after the pip install of the
  - # WHL_PATH, which ends up upgrading to the latest version of setuptools.
  - # Versions of setuptools >= 39.1.0 will cause tests to fail like this:
  - # ImportError: cannot import name py31compat
  - ${PIP_BIN_PATH} install --upgrade setuptools==39.1.0 || \
  - die "Error: setuptools install, upgrade FAILED"
  -
  # Install the future package in the virtualenv. Installing it in user system
  # packages does not appear to port it over when creating a virtualenv.
  # ImportError: No module named builtins
  