class_docstr: jupyter_rfb analogue of
  :class:`PlotWidget <pyqtgraph.PlotWidget>`.
code: def __init__(self, **kwds):
      super().__init__(**kwds)
      plotItem = graphicsItems.PlotItem.PlotItem(enableMenu=False)
      self.gfxView.setCentralItem(plotItem)
      connect_viewbox_redraw(plotItem.getViewBox(), self.request_draw)
      self.plotItem = plotItem
  
imports: import jupyter_rfb
  import numpy
  from ..None import functions
  from ..None import graphicsItems, widgets
  from ..Qt import QtCore, QtGui
label_desc: Use image node_id 1 to create a new PlotWidget object from inherited base classes: GraphicsView with example: obj = PlotWidget()