code: def test_empty_tuple():
      target = "test_empty_tuple"
  
      """An empty tuple should behave just like a call with no args (see above test)."""
  
      def before():
          func = relay.Function([], relay.Tuple([]))
          mod = tvm.IRModule.from_expr(func)
          return mod
  
      def after():
          func = relay.Function([], relay.Tuple([]))
          mod = tvm.IRModule.from_expr(func)
          return mod
  
      for annotate_non_call_ops in [True, False]:
          result = transform.AnnotateTarget(
              target, annotate_non_call_ops
          )(before())
          expected = transform.InferType()(after())
          assert tvm.ir.structural_equal(expected, result)
  
imports: import os
  import sys
  import numpy
  import pytest
  import tvm
  import tvm.relay.testing
  import tvm.relay.transform
  from tvm import relay
  from tvm import runtime
  from tvm.contrib import utils
label_desc: Use image node_id 17 for calling a global function with example usage: test_empty_tuple() and returns: mod, mod