changed to slim pandas wrapper

docker/Dockerfile

@@ -97,7 +97,7 @@ RUN cd  /root/minicalosim && git checkout $COMMIT && \
     mkdir -p build && cd build && rm -rf * && cmake ../ && make -j4
 
 
-RUN cp /root/minicalosim/build/minicalo* /root/minicalosim/bind/G4Calo.py /root/minicalosim/bind/minicalo_tools.py /usr/local/lib/python3.10/dist-packages/
+RUN cp /root/minicalosim/build/minicalo* /root/minicalosim/bind/G4Calo.py /root/minicalosim/bind/minicalo_tools.py /root/minicalosim/bind/minipandas.py /usr/local/lib/python3.10/dist-packages/
 
 RUN cp /root/minicalosim/bind/G4Calo_exec.py /usr/local/bin/
 
@@ -124,6 +124,8 @@ RUN fix-permissions /etc/jupyter/
 # clean up
 RUN rm -rf /root/minicalosim
 
+RUN pip3 install pyarrow 
+
 USER ${NB_UID}
 CMD ["start-notebook.sh"]