class_docstr: End-to-end negotiation teacher that loads the data from
  https://github.com/facebookresearch/end-to-end-negotiator.
class_docstr_tok: ["End-to-end","negotiation","teacher","that","loads","the","data","from","https",":","\/\/github.com\/facebookresearch\/end-to-end-negotiator","."]
code: def _setup_data(self, data_path):
      print("loading: " + data_path)
      with PathManager.open(data_path) as data_file:
          self.episodes = data_file.readlines()
  
imports: from parlai.core.teachers import Teacher
  from .build import build
  from parlai.utils.io import PathManager
  import os
  import random
label_desc: Use image node_id 6 for calling the NegotiationTeacher obj's underlying member method code with example usage: obj._setup_data(data_path) without return types