Colab and easy Dash sample

Here is my notebook:

Here is the code:

I tried production ENV and it cant seem to find the file. The error is :

FileNotFoundError: [Errno 2] No such file or directory: '/usr/local/lib/python3.6/dist-packages/dash_renderer/prod’

Maybe the libraries are old?

Hi this might be too late but follow the instrucion for installing the latest version in a python3 notebook:
currently it is

### Install Dash
!pip install dash==1.4.1  # The core dash backend
!pip install dash-daq==0.2.1