code: def convert_vtk(self) -> bool:
      try:
          import vtk
          from vtkmodules.qt.QVTKRenderWindowInteractor import (
              QVTKRenderWindowInteractor,
          )
          from vtkmodules.util.vtkImageImportFromArray import (
              vtkImageImportFromArray,
          )
  
          global vtk
          global QVTKRenderWindowInteractor
          global vtkImageImportFromArray
          self.import_vtk = True
          vtk.vtkFileOutputWindow().SetGlobalWarningDisplay(0)
          self.init()
      except:
          self.import_vtk = False
      finally:
          return self.import_vtk
  
file_path: PaddleSeg/EISeg/eiseg/widget/vtk.py
imports: import typing
  import numpy
  from qtpy.QtWidgets import QWidget, QVBoxLayout
label_desc: Use image node_id 2 for calling the VTKWidget obj's underlying member method code with example usage: obj.convert_vtk() and returns: self