code: def init_pos_types(self):
      all_pos_types = (
          "n f s t nr ns nt nw nz v vd vn"
          + " a ad an d m q r p c u xc w PER LOC ORG TIME"
      )
      self.all_pos_types = set(
          [pos_type.lower() for pos_type in all_pos_types.split(" ")]
      )
  
imports: import io
  import numpy
  import six
label_desc: Use image node_id 2 for calling the Interventer obj's underlying member method code with example usage: obj.init_pos_types() without return types