class_docstr: Process for executing TFLite inference.
class_docstr_tok: ["Process","for","executing","TFLite","inference","."]
code: def setup(self):
      if self._model is not None:
          return
  
      self._model = tflite_model.Model(model_path=self._model_path)
  
imports: import multiprocessing
  import threading
  from absl import app
  from absl import flags
  import attr
  from colorama import Fore
  from colorama import Style
  from magenta.models.onsets_frames_transcription.realtime import audio_recorder
  from magenta.models.onsets_frames_transcription.realtime import tflite_model
  import numpy
label_desc: Use image node_id 2 for calling the TfLiteWorker obj's underlying member method code with example usage: obj.setup() without return types