message: Fix line number for list of optimizations
diff: @@ -128,7 +128,7 @@ original_model = onnx.load(model_path)
  print('The model before optimization:\n{}'.format(original_model))
  # A full list of supported optimization passes can be found here:
  -# https://github.com/onnx/onnx/blob/master/onnx/optimizer.py#L21
  +# https://github.com/onnx/onnx/blob/master/onnx/optimizer.py#L27
  passes = ['fuse_consecutive_transposes']
  # Apply the optimization on the original model
  @@ -137,7 +137,7 @@ optimized_model = optimizer.optimize(original_model, passes)
  print('The model after optimization:\n{}'.format(optimized_model))
  # One can also apply the default passes on the (serialized) model
  -# Check the default passes here: https://github.com/onnx/onnx/blob/master/onnx/optimizer.py#L34
  +# Check the default passes here: https://github.com/onnx/onnx/blob/master/onnx/optimizer.py#L41
  optimized_model = optimizer.optimize(original_model)
  ```
  Runnable IPython notebooks:
  