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## Gravity

- [ ] bug or strange behavior
- [ ] plugin crashes at startup
- [ ] plugin crashes (at any other moment)
- [ ] QGIS crashes

## Description of the bug

<!-- Briefly describe the bug... -->

## Steps to reproduce the bug or the crash

Steps, sample datasets and qgis project file to reproduce the behavior. Screencasts or screenshots are more than welcome, you can drag&drop them in the text box.

1. Go to '...'
2. Click on '...'
3. Scroll down to '...'
4. See error

## Environment context

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Fill the In the QGIS Help menu -> About, click in the table, Ctrl+A and then Ctrl+C. Finally paste here.
        DO NOT make a screenshot.
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- Operating system: Windows 10/Ubuntu 20.04/CentOS 7....
- QGIS version: ...
- plugin version: ...
