class_docstr: Mapper that leverages parallelpython (i.e. pp) maps.
      
class_docstr_tok: ["Mapper","that","leverages","parallelpython","(","i.e",".","pp",")","maps","."]
docstr: get the number of nodes used in the map
docstr_tok: ["get","the","number","of","nodes","used","in","the","map"]
code: def __get_nodes(self):
      """get the number of nodes used in the map"""
      nodes = self.__nodes
      if nodes == None:
          nodes = "*"
      return nodes
  
imports: from pathos.helpers import parallelpython
  from pathos.helpers import cpu_count
  import builtins
  from pathos.abstract_launcher import AbstractWorkerPool
  from pathos.helpers.pp_helper import ApplyResult, MapResult
label_desc: Use image node_id 11 for calling the ParallelPool obj's underlying member method code with example usage: obj.__get_nodes() and returns: nodes