message: Fix tensorflow/python/keras:network_test for py3.8 build
diff: @@ -153,6 +153,7 @@ function install_pip_deps {
  ${SUDO_CMD} ${PIP_CMD} install astunparse==1.6.3
  ${SUDO_CMD} ${PIP_CMD} install keras_preprocessing==1.1.0 --no-deps
  "${PIP_CMD}" install numpy==1.16.0 --user
  + "${PIP_CMD}" install PyYAML==3.12 --user
  ${SUDO_CMD} ${PIP_CMD} install gast==0.3.3
  ${SUDO_CMD} ${PIP_CMD} install h5py==2.10.0
  ${SUDO_CMD} ${PIP_CMD} install six==1.12.0
  @@ -193,6 +194,7 @@ function install_ubuntu_16_pip_deps {
  "${PIP_CMD}" install portpicker --user
  "${PIP_CMD}" install scipy --user
  "${PIP_CMD}" install scikit-learn --user
  + "${PIP_CMD}" install PyYAML==3.12 --user
  "${PIP_CMD}" install --user --upgrade tf-estimator-nightly
  "${PIP_CMD}" install --user --upgrade tb-nightly
  # LINT.ThenChange(:ubuntu_pip_installations)
  