code: def leaveEvent(self, ev):
      self.mousePosChanged.emit(QPointF(-1, -1))
      return super(AnnotationView, self).leaveEvent(ev)
  
file_path: PaddleSeg/EISeg/eiseg/widget/view.py
imports: from qtpy import QtWidgets, QtCore, QtGui
  from qtpy.QtCore import Qt, QPointF
label_desc: Use image node_id 7 for calling the AnnotationView obj's underlying member method code with example usage: obj.leaveEvent(ev) and returns: super