code: def focusOutEvent(self, ev):
      if not self.polygon_hovering and not self.anning:
          self.setBrush(self.halfInsideColor)
  
imports: from qtpy import QtWidgets, QtGui, QtCore
  from .None import GripItem, LineItem, BBoxAnnotation
label_desc: Use image node_id 18 for calling the PolygonAnnotation obj's underlying member method code with example usage: obj.focusOutEvent(ev) without return types