code: def testFallbackErrorNotVisibleWhenFallbackMethodRaises(self):
      ctx = context.context()
      ctx.ensure_initialized()
  
      try:
          math_ops.mat_mul([[1.0, 1.0] * 2], [[1.0, 1.0] * 3])
      except errors.InvalidArgumentError:
          etype, value, tb = sys.exc_info()
          full_exception_text = " ".join(
              traceback.format_exception(etype, value, tb)
          )
  
      self.assertNotRegex(full_exception_text, "_FallbackException")
  
imports: import sys
  import traceback
  import numpy
  from tensorflow.python import pywrap_tfe
  from tensorflow.python.eager import backprop
  from tensorflow.python.eager import context
  from tensorflow.python.eager import core
  from tensorflow.python.eager import def_function
  from tensorflow.python.eager import test
  from tensorflow.python.framework import constant_op
  from tensorflow.python.framework import dtypes
  from tensorflow.python.framework import errors
  from tensorflow.python.framework import ops
  from tensorflow.python.framework import test_ops
  from tensorflow.python.framework import test_util
  from tensorflow.python.ops import array_ops
  from tensorflow.python.ops import array_ops_stack
  from tensorflow.python.ops import math_ops
  from tensorflow.python.ops import random_ops
  from tensorflow.python.ops import resource_variable_ops
label_desc: Use image node_id 19 for calling the Tests obj's underlying member method code with example usage: obj.testFallbackErrorNotVisibleWhenFallbackMethodRaises() without return types