class_docstr: Widget implementing a :class:`~pyqtgraph.GraphicsView` with a single
  :class:`~pyqtgraph.MultiPlotItem` inside.
code: def setRange(self, *args, **kwds):
      GraphicsView.setRange(self, *args, **kwds)
      if self.centralWidget is not None:
          r = self.range
          minHeight = len(self.mPlotItem.plots) * self.minPlotHeight
          if r.height() < minHeight:
              r.setHeight(minHeight)
              r.setWidth(r.width() - self.verticalScrollBar().width())
          self.centralWidget.setGeometry(r)
  
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 8 for calling the MultiPlotWidget obj's underlying member method code with example usage: obj.setRange() without return types