binder badge broken about jupyterlab-dash HOT 3 OPEN

tried to run

!pip install jupyterlab-dash==0.1.0a2
!jupyter labextension install [email protected]

then restart kernel and run all.
that worked.

from jupyterlab-dash.

For me, it didn't help...

from jupyterlab-dash.

Same here. Same problem (on Mac). Tried the above solution proposals. Still run into

`Exception in thread Thread-54:
Traceback (most recent call last):
File "/usr/local/Cellar/python/3.7.3/Frameworks/Python.framework/Versions/3.7/lib/python3.7/threading.py", line 917, in _bootstrap_inner
self.run()
File "/usr/local/Cellar/python/3.7.3/Frameworks/Python.framework/Versions/3.7/lib/python3.7/threading.py", line 1166, in run
self.function(*self.args, **self.kwargs)
File "/Users/ME/.virtualenvs/p3/lib/python3.7/site-packages/jupyterlab_dash/init.py", line 71, in _perform_show
""")
OSError:
Unable to communicate with the jupyterlab-dash JupyterLab extension.
Is this Python kernel running inside JupyterLab with the jupyterlab-dash
extension installed?

You can install the extension with:

$ jupyter labextension install jupyterlab-dash`

from jupyterlab-dash.