code: def __init__(self, *args, **kwds):
      ## Create shared memory for rendered image
      self.shmFile = tempfile.NamedTemporaryFile(
          prefix="pyqtgraph_shmem_"
      )
      size = mmap.PAGESIZE
      self.shmFile.write(b"\x00" * size)
      self.shmFile.flush()
      self.shm = mmap.mmap(
          self.shmFile.fileno(), size, access=mmap.ACCESS_WRITE
      )
      atexit.register(self.close)
  
      GraphicsView.__init__(self, *args, **kwds)
      self.scene().changed.connect(self.update)
      self.img = None
      self.renderTimer = QtCore.QTimer()
      self.renderTimer.timeout.connect(self.renderView)
      self.renderTimer.start(16)
  
imports: from ..Qt import QT_LIB, QtCore, QtGui, QtWidgets
  import atexit
  import enum
  import mmap
  import os
  import sys
  import tempfile
  from ..None import Qt
  from ..None import CONFIG_OPTIONS
  from ..None import multiprocess
  from .GraphicsView import GraphicsView
label_desc: Use image node_id 1 to create a new Renderer object from inherited base classes: GraphicsView with example: obj = Renderer()