code: def load_polydata(file_name):
      """Load a vtk polydata to a supported format file.
  
      Supported file formats are OBJ, VTK, VTP, FIB, PLY, STL and XML
  
      Parameters
      ----------
      file_name : string
  
      Returns
      -------
      output : vtkPolyData
  
      """
      return fury.io.load_polydata(file_name)
  
imports: import numpy
  from dipy.tracking.streamline import transform_streamlines
  from dipy.utils.optpkg import optional_package
label_desc: Use image node_id 1 for calling a global function with example usage: load_polydata(file_name) and returns: fury