code: def testInvokeBeforeReady(self):
      interpreter = interpreter_wrapper.Interpreter(
          model_path=resource_loader.get_path_to_datafile(
              "testdata/permute_float.tflite"
          )
      )
      with self.assertRaisesRegex(
          RuntimeError, "Invoke called on model that is not ready"
      ):
          interpreter.invoke()
  
imports: import ctypes
  import io
  import sys
  from unittest import mock
  import numpy
  import tensorflow
  from tensorflow.lite.python import interpreter
  from tensorflow.lite.python.metrics import metrics
  from tensorflow.lite.python.testdata import _pywrap_test_registerer
  from tensorflow.python.framework import test_util
  from tensorflow.python.platform import resource_loader
  from tensorflow.python.platform import test
label_desc: Use image node_id 4 for calling the InterpreterTestErrorPropagation obj's underlying member method code with example usage: obj.testInvokeBeforeReady() without return types