class_docstr: Do NOT use this directly, use its children.
class_docstr_tok: ["Do","NOT","use","this","directly",",","use","its","children","."]
docstr: Determine identifier of partner.
code: def _partner_agent(self, agent):
      """
      Determine identifier of partner.
      """
      if agent == BOT_AGENT_LABEL:
          return HUMAN_AGENT_LABEL
      else:
          return BOT_AGENT_LABEL
  
imports: import os
  import json
  from copy import deepcopy
  from parlai.core.message import Message
  from parlai.utils.data import DatatypeHelper
  from parlai.core.teachers import ChunkTeacher
  from .build import build
label_desc: Use image node_id 7 for calling the BaseBB3DataTeacher obj's underlying member method code with example usage: obj._partner_agent(agent) and returns: HUMAN_AGENT_LABEL, BOT_AGENT_LABEL