class_docstr: Widget implementing a :class:`~pyqtgraph.GraphicsView` with a single
  :class:`~pyqtgraph.MultiPlotItem` inside.
code: def __getattr__(self, attr):  ## implicitly wrap methods from plotItem
      if hasattr(self.mPlotItem, attr):
          m = getattr(self.mPlotItem, attr)
          if hasattr(m, "__call__"):
              return m
      raise AttributeError(attr)
  
file_path: pyqtgraph/pyqtgraph/widgets/MultiPlotWidget.py
imports: from ..graphicsItems import MultiPlotItem
  from ..Qt import QtCore
  from .GraphicsView import GraphicsView
label_desc: Use image node_id 2 for calling the MultiPlotWidget obj's underlying member method code with example usage: obj.__getattr__(attr) and returns: m