code: def patch_vertices(vertices, pole, width):
      """
      find 'vertices' within the cone of 'width' degrees around 'pole'
      """
      return [
          i
          for i, v in enumerate(vertices)
          if np.abs(np.dot(v, pole))
          > np.abs(np.cos(np.pi * width / 180))
      ]
  
imports: import numpy
  from dipy.reconst.odf import OdfModel, OdfFit
  from dipy.reconst.cache import Cache
  import warnings
  from dipy.reconst.multi_voxel import multi_voxel_fit
label_desc: Use image node_id 8 for calling a global function with example usage: patch_vertices(vertices, pole, width) and returns: unknown