more binder fixes

Author: cameron-toy

binder/environment.yml

@@ -14,8 +14,8 @@ dependencies:
   - python >=3.8,<3.9.0a0
   - jupyterlab >=3,<4.0.0a0
   # labextension build dependencies
-  - nodejs >=14,<15
   - pip
   - wheel
   # additional packages for demos
   - ipywidgets
+  - jupyterlab_widgets

binder/postBuild

@@ -1,7 +1,6 @@
 #!/bin/bash
 
-# install extensions, don't minimize as this uses too much memory
-# https://discourse.jupyter.org/t/tip-binder-jupyterlab-extension/6022
+# install extension using pip
 python -m pip install .
 
 # remove unnecessary directories when using the binder
@@ -17,5 +16,6 @@ rm tsconfig.json
 rm yarn.lock
 rm MANIFEST.in
 rm pyproject.toml
+rm setup.py
 
 jupyter lab clean