docstr: Test for is_iterable.
docstr_tok: ["Test","for","is_iterable","."]
code: def test_is_iterable(self):
      """Test for is_iterable."""
      self.assertTrue(op_selector.is_iterable([0, 1, 2]))
      self.assertFalse(op_selector.is_iterable(3))
  
file_path: tensorflow-upstream/tensorflow/python/ops/op_selector_test.py
imports: from tensorflow.python.framework import constant_op
  from tensorflow.python.framework import func_graph
  from tensorflow.python.framework import ops
  from tensorflow.python.ops import math_ops
  from tensorflow.python.ops import op_selector
  from tensorflow.python.platform import test
label_desc: Use image node_id 2 for calling the SelectTest obj's underlying member method code with example usage: obj.test_is_iterable() without return types