code: def testFromGeneratorStopShort(self):
      def generator():
          yield 0
          yield 1
          yield 2
  
      dataset = dataset_ops.Dataset.from_generator(
          generator, output_types=dtypes.int64
      )
      get_next = self.getNext(dataset)
      self.assertAllEqual(0, self.evaluate(get_next()))
      self.assertAllEqual(1, self.evaluate(get_next()))
  
imports: import threading
  from absl.testing import parameterized
  import numpy
  from tensorflow.python.data.kernel_tests import test_base
  from tensorflow.python.data.ops import dataset_ops
  from tensorflow.python.data.ops import from_generator_op
  from tensorflow.python.framework import combinations
  from tensorflow.python.framework import constant_op
  from tensorflow.python.framework import dtypes
  from tensorflow.python.framework import errors
  from tensorflow.python.framework import sparse_tensor
  from tensorflow.python.framework import tensor_spec
  from tensorflow.python.ops import script_ops
  from tensorflow.python.ops import sparse_ops
  from tensorflow.python.ops.ragged import ragged_factory_ops
  from tensorflow.python.ops.ragged import ragged_tensor
  from tensorflow.python.platform import test
label_desc: Use image node_id 15 for calling the FromGeneratorTest obj's underlying member method code with example usage: obj.testFromGeneratorStopShort() without return types