code: def to_response_string(self):
      return ",".join(
          str(v)
          for v in [
              self.rank,
              self.size,
              self.local_rank,
              self.local_size,
              self.cross_rank,
              self.cross_size,
          ]
      )
  
file_path: horovod/horovod/runner/common/util/hosts.py
imports: import collections
  import re
  from dataclasses import dataclass
label_desc: Use image node_id 1 for calling the SlotInfo obj's underlying member method code with example usage: obj.to_response_string() and returns: str