message: Fix tflite error:
  TypeError: in method 'InterpreterWrapper_CreateWrapperCPPFromBuffer', argument 1 of type 'char const *'
diff: @@ -54,7 +54,7 @@ class Interpreter(object):
  elif model_content and not model_path:
  self._interpreter = (
  _interpreter_wrapper.InterpreterWrapper_CreateWrapperCPPFromBuffer(
  - model_content, len(model_content)))
  + str(model_content), len(model_content)))
  if not self._interpreter:
  raise ValueError(
  'Failed to create model from {} bytes'.format(len(model_content)))
  