class_docstr: Tests for ops in horovod.mxnet. This tests MXNet 1.x specifically.
docstr: Test that the alltoall with default splitting returns an error if the first dimension
  of tensor is not a multiple of the number of workers.
docstr_tok: ["Test","that","the","alltoall","with","default","splitting","returns","an","error","if","the","first","dimension","of","tensor","is","not","a","multiple","of","the","number","of","workers","."]
code: def test_horovod_alltoall_equal_split_length_error(self):
      """Test that the alltoall with default splitting returns an error if the first dimension
      of tensor is not a multiple of the number of workers."""
      super(
          MX1Tests, self
      ).test_horovod_alltoall_equal_split_length_error()
  
file_path: horovod/test/parallel/test_mxnet1.py
imports: import os
  import sys
  import itertools
  import unittest
  from packaging import version
  import pytest
  import numpy
  from base_test_mxnet import *
label_desc: Use image node_id 3 for calling the MX1Tests obj's underlying member method code with example usage: obj.test_horovod_alltoall_equal_split_length_error() without return types