class_docstr: BytePS backend for MXNet KVStore interface.
docstr: Returns the number of worker nodes.
  
  Returns
  -------
  size :int
      The number of worker nodes.
docstr_tok: ["Returns","the","number","of","worker","nodes",".","Returns","--","--","--","-","size",":","int","The","number","of","worker","nodes","."]
code: def num_workers(self):
      """Returns the number of worker nodes.
  
      Returns
      -------
      size :int
          The number of worker nodes.
      """
      return self.handle.size()
  
file_path: mxnet/python/mxnet/kvstore/byteps.py
imports: from __future__ import absolute_import
  from ..ndarray import NDArray
  from .base import KVStoreBase
label_desc: Use image node_id 8 for calling the BytePS obj's underlying member method code with example usage: obj.num_workers() and returns: self