I can't speak to oz's error messages, but for the vega-lite + python integration, I've found altair pretty usable. In particular, simple scatter plots with tool

I can't speak to oz's error messages, but for the vega-lite + python integration, I've found altair pretty usable. In particular, simple scatter plots with tooltips were easy to get up and running. https://altair-viz.github.io/ https://altair-viz.github.io/ https://altair-viz.github.io/gallery/scatter_tooltips.html?highlight=tooltips https://altair-viz.github.io/gallery/scatter_tooltips.html?h...