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Principle Version: Latest
macOS Version: Latest (but the bug is present for ages)
Sketch Version: Latest
Description of what you need help with: Get this bug fixed 
Steps to reproduce the behavior:
- create a symbol in sketch with an image and some text, then add another element and group these into a nested symbol
- Duplicate this nested symbol a few times and override the image value
- Import to principle, the image overrides won’t show
Screenshots/Sketch File/Principle file: (if applicable)