message: Fix the visualize tool to display empty strings when the TFLITE file doesn't contain tensor names.
diff: @@ -221,6 +221,7 @@ def NameListToString(name_list):
  return name_list
  else:
  result = ""
  + if name_list is not None:
  for val in name_list:
  result = result + chr(int(val))
  return result
  