code: def getCanvas(self, name):
      return self.canvases[name]
  
file_path: pyqtgraph/pyqtgraph/canvas/CanvasManager.py
imports: from ..Qt import QtCore, QtWidgets
  import weakref
label_desc: Use image node_id 6 for calling the CanvasManager obj's underlying member method code with example usage: obj.getCanvas(name) and returns: self