code: def setOpts(self, **opts):
      # for backward compatibility
      self.setData(**opts)
  
file_path: pyqtgraph/pyqtgraph/graphicsItems/ErrorBarItem.py
imports: from ..None import functions
  from ..None import getConfigOption
  from ..Qt import QtGui
  from .GraphicsObject import GraphicsObject
label_desc: Use image node_id 3 for calling the ErrorBarItem obj's underlying member method code with example usage: obj.setOpts() without return types