anchor.diff:  
   /// Paints [PieChartData] in the canvas, it can be used in a [CustomPainter]
   class PieChartPainter extends BaseChartPainter<PieChartData> {
  -  late Paint _sectionPaint,
  -      _sectionStrokePaint,
  -      _sectionsSpaceClearPaint,
  -      _centerSpacePaint;
  +  late Paint _sectionPaint, _sectionStrokePaint, _centerSpacePaint;
   
     /// Paints [data] into canvas, it is the animating [PieChartData],
     /// [targetData] is the animation's target and remains the same
  
positive.code:     PaintHolder<PieChartData> holder,
    ) {
      final data = holder.data;
      final shouldDrawSeparators =
          data.sectionsSpace != 0 && data.sections.length > 1;
  
      final viewSize = canvasWrapper.size;
  
      if (shouldDrawSeparators) {
        canvasWrapper.saveLayer(
            Rect.fromLTWH(0, 0, viewSize.width, viewSize.height), Paint());
      }
  
      final center = Offset(viewSize.width / 2, viewSize.height / 2);
  
  
negative.code: 
      _sectionStrokePaint = Paint()..style = PaintingStyle.stroke;
  
      _centerSpacePaint = Paint()..style = PaintingStyle.fill;
    }
  
  