Sometimes the graph won't loaded

[joddm]

https://community.plotly.com/t/loading-states-api-and-a-loading-component-prerelease/16406/3

Boilerplate Heroku Dash App for Long Processes (show and tell)

Hi. We’re working on a generic solution for Dash apps that run relatively long processes (30s to 2 mins) that can be deployed on Heroku without tripping up on server & browser timeouts and still provide a reasonable-ish user experience. To make a new app we just copy-paste the boilerplate, drop in whatever processes and visualizations are needed and deploy. https://github.com/WileyIntelligentSolutions/wiley-boilerplate-dash-app Main features: Loading spinner Retrieve css from static files …