code: def is_distributed():
      return (
          torch.distributed.is_available()
          and torch.distributed.is_initialized()
      )
  
imports: import torch
  from ..losses import BaseMetricLossFunction, CrossBatchMemory
  from ..miners import BaseMiner
  from ..utils import common_functions
  from ..utils import loss_and_miner_utils
label_desc: Use image node_id 1 for calling a global function with example usage: is_distributed() and returns: unknown