try installing tarball directly

2020-04-30 13:34:22 -04:00 · 2020-04-30 13:34:22 -04:00 · e0e113799e
commit e0e113799e
--- a/binder/postBuild
+++ b/binder/postBuild
@ -2,5 +2,6 @@
 set -eux
 npm install
 npm build
-jupyter labextension install $(npm pack .) --no-build --debug
+npm pack
+jupyter labextension install ./jupyterlab-drawio-*.tgz --no-build --debug
 jupyter lab build --dev-build=False --minimize=True --debug