code: def test_graph_break_on_item(self):
      def fn(a, b):
          x = a + b - 1.5
          x = x.sum()
          x.item()
          x = x / (a + b)
          return x
  
      self._common(fn, 2, 5)
  
imports: from unittest.mock import patch
  import torch
  import torch._dynamo.test_case
  import torch._dynamo.testing
  from torch._dynamo.testing import unsupported
  from torch._dynamo.utils import ifdynstaticdefault
label_desc: Use image node_id 37 for calling the SubGraphTests obj's underlying member method code with example usage: obj.test_graph_break_on_item() and returns: x