anchor.diff:  # governing permissions and limitations under the License.
   
   FROM ubuntu:18.04
  +
  +ARG PYTHON_VERSION=3.7
   ENV http_proxy ${http_proxy}
   ENV https_proxy ${https_proxy}
   
  -RUN apt-get update --yes \
  -    && apt-get install wget --yes && \
  +RUN apt-get update --yes && \
  +    apt-get install --yes --no-install-recommends --fix-missing \
  +        gcc \
  +        python${PYTHON_VERSION}-dev \
  +        wget && \
       rm -rf /var/lib/apt/lists/*
   
   ENV USER modin
  
positive.code:     pip install --no-cache-dir modin[ray] && \
      conda clean --all --yes
  
  RUN wget https://modin-datasets.s3.amazonaws.com/trips_data.csv -O "${HOME}/trips_data.csv"
  
  COPY nyc-taxi.py "${HOME}/nyc-taxi.py"
  
  
negative.code: 
  SHELL ["/bin/bash", "--login", "-c"]
  
  RUN wget --quiet --no-check-certificate https://repo.anaconda.com/miniconda/Miniconda3-latest-Linux-x86_64.sh -O /tmp/miniconda3.sh && \
      bash /tmp/miniconda3.sh -b -p "${CONDA_DIR}" -f -u && \
      "${CONDA_DIR}/bin/conda" init bash && \
      rm -f /tmp/miniconda3.sh && \
  