[jupyterhub] add brokenaxes

jupyterhub/base/Dockerfile

@@ -68,13 +68,14 @@ RUN mkdir -p /usr/local/venv && \
         pingouin \
         statsmodels \
         matplotlib \
+        seaborn \
+        brokenaxes \
         tables \
         xlrd \
         hsluv \
         ipympl \
         ipywebrtc \
         ipyvolume \
-        seaborn \
         JPype1 \
         PySide2 \
         ipykernel \