code: def test_double_precision_forward_context():
      precision = DoublePrecision()
      assert torch.get_default_dtype() == torch.float32
      with precision.forward_context():
          assert torch.get_default_dtype() == torch.float64
      assert torch.get_default_dtype() == torch.float32
  
label_desc: Use image node_id 1 for calling a global function with example usage: test_double_precision_forward_context() without return types