code: def prepare_self(next, token):
      def select(context, result):
          yield from result
  
      return select
  
file_path: catboost/contrib/tools/python3/src/Lib/xml/etree/ElementPath.py
imports: import re
label_desc: Use image node_id 7 for calling a global function with example usage: prepare_self(next, token) and returns: select