code: def hoverEnterEvent(self, ev):
      self.polygon_hovering = True
      self.setBrush(self.insideColor)
      super(PolygonAnnotation, self).hoverEnterEvent(ev)
  
imports: from qtpy import QtWidgets, QtGui, QtCore
  from .None import GripItem, LineItem, BBoxAnnotation
label_desc: Use image node_id 15 for calling the PolygonAnnotation obj's underlying member method code with example usage: obj.hoverEnterEvent(ev) without return types