ImportError: cannot import name 'keras_tensor' from 'tensorflow.python.keras.engine' (/opt/anaconda3/lib/python3.8/site-packages/tensorflow/python/keras/engine/__init__.py) code example

Example: ImportError: cannot import name 'abs'

pip uninstall tensorflow protobuf --yes
find $CONDA_PREFIX -name "tensorflow" | xargs -Ipkg rm -rfv pkg
pip install --ignore-installed --upgrade https://storage.googleapis.com/tensorflow/linux/cpu/tensorflow-1.9.0-cp36-cp36m-linux_x86_64.whl --no-cache-dir