Traceback (most recent call last):
File "/Users/denis/Library/Application Support/QGIS/QGIS3/profiles/default/python/plugins/raster_tracer/raster_tracer.py", line 282, in checkBoxColor_changed
self.tool_identify.trace_color_changed(color)
File "/Users/denis/Library/Application Support/QGIS/QGIS3/profiles/default/python/plugins/raster_tracer/pointtool.py", line 62, in trace_color_changed
r,g,b = self.sample
AttributeError: 'PointTool' object has no attribute 'sample'
on first try: