---
name: 'Bug report'
about: 'Create a report to help us improve'
labels: 'Bug :bug:'
---

## Bug Description

Describe how to reproduce this bug. Provide an [minimal, reproducible example](https://stackoverflow.com/help/minimal-reproducible-example) spec in JSON, wrapped by triple backticks like this:

```json
{
  "mark": "point",
  "encoding": {"x": {"field": "a"}}
}
```

If applicable, include error messages and screenshots, videos, or working examples (e.g. by clicking share in the [Vega-Editor](https://vega.github.io/editor/).

## Checklist

- [ ] I checked for duplicate issues.
