code: def distributed_train_keras_horovod(*args, **kwargs):
      from bigdl.nano.deps.horovod.distributed_utils_horovod import (
          distributed_train_keras,
      )
  
      return distributed_train_keras(*args, **kwargs)
  
label_desc: Use image node_id 2 for calling a global function with example usage: distributed_train_keras_horovod() and returns: distributed_train_keras