Update postBuild

Jessica (Jiayi) Xu · web-flow · commit 105108cf867f · 2020-08-26T16:06:57.000-07:00
diff --git a/binder/postBuild b/binder/postBuild
@@ -2,6 +2,8 @@
 
 # install extension
 jupyter labextension install @jupyter-widgets/jupyterlab-manager --no-build
+jupyter labextension install plotlywidget --no-build
+jupyter labextension install @jupyterlab/plotly-extension --no-build
 jupyter labextension install jupyterlab-interactive-dashboard-editor
 
 # remove unnecessary directories when using the binder
