code: def __init__(self):
      from ..widgets import MatplotlibWidget
  
      QtWidgets.QMainWindow.__init__(self)
      self.mpl = MatplotlibWidget.MatplotlibWidget()
      self.setCentralWidget(self.mpl)
      self.show()
  
file_path: pyqtgraph/pyqtgraph/exporters/Matplotlib.py
imports: from ..None import PlotItem
  from ..None import functions
  from ..Qt import QtCore, QtWidgets
  from .Exporter import Exporter
label_desc: Use image node_id 1 to create a new MatplotlibWindow object from inherited base classes: QtWidgets with example: obj = MatplotlibWindow()