Can't push
### How did it happen?
1. Tried to push

### Error log

```
{
	"nativeException": {},
	"line": 195,
	"column": 37,
	"sourceURL": "/Users/agrublev/Library/Application Support/com.bohemiancoding.sketch3/Plugins/Git.sketchplugin/Contents/Sketch/Push.js"
}
```