code: def rowmux(select_vec, left, right):
      select = [[s] * len(left) for s in select_vec]
      return mux(select, left, right)
  
imports: from caffe2.python import core
  import caffe2.python.hypothesis_test_util
  import caffe2.python.serialized_test.serialized_test_util
  from hypothesis import given, settings
  import hypothesis.strategies
  import numpy
  import unittest
label_desc: Use image node_id 2 for calling a global function with example usage: rowmux(select_vec, left, right) and returns: mux