code: def mouseReleaseEvent(self, ev):
      ev.accept()
      if not self.mouseMoved:
          self.sigClicked.emit(self, ev)
  
imports: import warnings
  from ..Qt import QtCore, QtGui, QtWidgets
  from ..widgets.VerticalLabel import VerticalLabel
  from .DockDrop import DockDrop
label_desc: Use image node_id 8 for calling the DockLabel obj's underlying member method code with example usage: obj.mouseReleaseEvent(ev) without return types