code: def hoverLeaveEvent(self, ev):
      self.setPen(self.savedPen)
      ev.ignore()
  
file_path: pyqtgraph/pyqtgraph/examples/ViewBox.py
imports: import numpy
  import pyqtgraph
  from pyqtgraph.Qt import QtCore, QtWidgets
label_desc: Use image node_id 3 for calling the movableRect obj's underlying member method code with example usage: obj.hoverLeaveEvent(ev) without return types