anchor.diff:  
   # Packages needed by the Notebook editor:
   RUN pip install papermill jupyterlab python-lsp-server[all] jupyterlab-lsp
  +
  +# Additional useful packages should be added here:
  +RUN pip install pandas
   
   # Set these env vars so that they don't produce errs calling the metadata server to load them:
   ENV TPU_ACCELERATOR_TYPE=v3-8
  
positive.code: ENV PYTORCH_LIBTPU=/lib/torch-libtpu.so
  ENV JAX_LIBTPU=/lib/jax-libtpu.so
  
  # https://cloud.google.com/tpu/docs/jax-quickstart-tpu-vm#install_jax_on_your_cloud_tpu_vm
  RUN pip install "jax[tpu]==0.3.10" -f https://storage.googleapis.com/jax-releases/libtpu_releases.html
  
  RUN cp $PIP_LIBTPU $JAX_LIBTPU
  
  # https://cloud.google.com/tpu/docs/pytorch-xla-ug-tpu-vm#changing_pytorch_version
  RUN pip install torch==${TORCH_VERSION}
    
  # The URL doesn't include patch version. i.e. must use 1.11 instead of 1.11.0
  RUN pip install torch_xla[tpuvm] -f https://storage.googleapis.com/tpu-pytorch/wheels/tpuvm/torch_xla-${TORCH_VERSION%.*}-cp38-cp38-linux_x86_64.whl
  
  RUN cp $PIP_LIBTPU $PYTORCH_LIBTPU
  
  
negative.code: ADD patches/nbconvert-extensions.tpl /opt/kaggle/nbconvert-extensions.tpl
  ADD patches/template_conf.json /opt/kaggle/conf.json
  
  # Tensorflow wheel:
  # When tensorflow is compatible with being installed alongside JAX/Pytorch then we no longer need to include the wheel and can install it directly.
  # RUN pip install https://storage.googleapis.com/cloud-tpu-tpuvm-artifacts/tensorflow/tf-${TENSORFLOW_VERSION}/tensorflow-${TENSORFLOW_VERSION}-cp38-cp38-linux_x86_64.whl
  RUN mkdir -p /lib/wheels && curl --output /lib/wheels/tensorflow-${TENSORFLOW_VERSION}-cp38-cp38-linux_x86_64.whl https://storage.googleapis.com/cloud-tpu-tpuvm-artifacts/tensorflow/tf-${TENSORFLOW_VERSION}/tensorflow-${TENSORFLOW_VERSION}-cp38-cp38-linux_x86_64.whl
  RUN curl --output /lib/libtpu.so https://storage.googleapis.com/cloud-tpu-tpuvm-artifacts/libtpu/1.3.0/libtpu.so
  
  # LIBTPU installed here:
  ENV PIP_LIBTPU=/usr/local/lib/python3.8/site-packages/libtpu/libtpu.so
  