code: def testRetraceOnSavingFirstTraceInScope(self, distribution):
      with distribution.scope():
          v = variables.Variable(0.0)
  
      tracing_count = [0]
  
      @def_function.function
      def func():
          tracing_count[0] += 1
          return v + 1.0
  
      distribution.run(func)
      prev_tracing_count = tracing_count[0]
      with save_context.save_context(save_options.SaveOptions()):
          func()
      self.assertEqual(prev_tracing_count + 1, tracing_count[0])
  
      prev_tracing_count = tracing_count[0]
      with save_context.save_context(save_options.SaveOptions()):
          func()
      self.assertEqual(prev_tracing_count, tracing_count[0])
  
imports: from absl.testing import parameterized
  from tensorflow.python.compat import v2_compat
  from tensorflow.python.distribute import combinations
  from tensorflow.python.distribute import device_util
  from tensorflow.python.distribute import strategy_combinations
  from tensorflow.python.distribute import values
  from tensorflow.python.eager import def_function
  from tensorflow.python.eager import test
  from tensorflow.python.framework import config
  from tensorflow.python.framework import dtypes
  from tensorflow.python.framework import ops
  from tensorflow.python.ops import array_ops
  from tensorflow.python.ops import math_ops
  from tensorflow.python.ops import variables
  from tensorflow.python.platform import flags
  from tensorflow.python.saved_model import save_context
  from tensorflow.python.saved_model import save_options
label_desc: Use image node_id 5 for calling the TFFunctionTest obj's underlying member method code with example usage: obj.testRetraceOnSavingFirstTraceInScope(distribution) and returns: unknown