code: def is_mapper_node(self):
      return self._is_mapper_node
  
imports: import hashlib
  import json
  import sys
  import platform
  from collections import defaultdict
  from datetime import datetime, timedelta
label_desc: Use image node_id 2 for calling the AirflowTask obj's underlying member method code with example usage: obj.is_mapper_node() and returns: self