[Image Classification] Error running Transfer learning example with InceptionV3

[ashbhandare]

System information

• OS version/distro: Windows 10
• .NET Version (eg., dotnet --info):
  Microsoft.ML: 1.4.0-preview3-28230-4
  Microsoft.ML.ImageAnalytics : 1.4.0-preview3-28230-4
  Microsoft.ML.Vision: 1.4.0-preview3-28230-4

Issue

• What did you do?
  Tried to run the ImageClassification.Train sample at https://github.com/dotnet/machinelearning-samples/tree/master/samples/csharp/getting-started/DeepLearning_ImageClassification_Training
  with Architecture InceptionV3

• What happened?
  Exception :
  Tensorflow.TensorflowException
  HResult=0x80131500
  Message=NewRandomAccessFile failed to Create/Open: ./tfhub_modules/d765412e8955a7067e9c0031f60783359e0e5c3f/variables/variables.data-00000-of-00001 : The system cannot find the path specified.
  ; No such process
  [[{{node checkpoint_initializer_32}}]]
  Source=Microsoft.ML.TensorFlow
  StackTrace:
  at Microsoft.ML.TensorFlow.TensorFlowUtils.Runner.Run()
  at Microsoft.ML.Vision.ImageClassificationTrainer.InitializeTrainingGraph(IDataView input)
  at Microsoft.ML.Vision.ImageClassificationTrainer.TrainModelCore(TrainContext trainContext)
  at Microsoft.ML.Trainers.TrainerEstimatorBase2.TrainTransformer(IDataView trainSet, IDataView validationSet, IPredictor initPredictor) at Microsoft.ML.Data.EstimatorChain1.Fit(IDataView input)
  at ImageClassification.Train.Program.Main() in C:\Users\aibhanda\luis-machinelearning-samples\samples\csharp\getting-started\DeepLearning_ImageClassification_Training\ImageClassification.Train\Program.cs:line 80

• What did you expect?
  Sample should run, as other architectures run without exception.

Source code / logs

Please paste or attach the code or logs or traces that would be helpful to diagnose the issue you are reporting.
1.4.0_RC-1_InceptionV3.log