code: def test_yield_return_x_plus_1(x):
      yield x + 1
  
file_path: tensorflow-upstream/tensorflow/python/util/tf_contextlib_test.py
imports: from tensorflow.python.platform import test
  from tensorflow.python.util import tf_contextlib
  from tensorflow.python.util import tf_decorator
  from tensorflow.python.util import tf_inspect
label_desc: Use image node_id 2 for calling a global function with example usage: test_yield_return_x_plus_1(x) without return types