Update dockerfile

Author: IngeborgGjerde

docker/Dockerfile

@@ -12,27 +12,26 @@ RUN apt-get -y install python3-h5py && \
     pip install networkx && \
     pip install pandas && \
     pip install tqdm && \
+    pip install seaborn && \
     pip install --no-cache-dir notebook jupyterlab jupyterhub && \
     rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*- && \
     pip install -U setuptools
 
+# remove the fenics-mixed-dim folder to avoid confusion
+RUN rm -r demo/
+
 # Get fenics_ii
 RUN git clone https://github.com/MiroK/fenics_ii.git && \
     cd fenics_ii && \
     python3 -m pip install -e . && \
     cd ..
 
-
 # cbc.block
 RUN git clone https://bitbucket.org/fenics-apps/cbc.block && \
     cd cbc.block && \
     python3 -m pip install . && \
     cd ..
-    
-
-    
+     
 # fix decorator error by reinstalling scipy
 RUN pip uninstall -y scipy && pip install scipy
 
-
-RUN python3 -m pip install git+https://github.com/IngeborgGjerde/graphnics