code: def test_deprecated_imports(self):
      for lt_class_name, linear_op_class in lazy_tensor_map.items():
          with warnings.catch_warnings(record=True) as ws:
              lt_class = getattr(gpytorch.lazy, lt_class_name)
              self.assertEqual(lt_class, linear_op_class)
              self.assertTrue(len(ws) == 1)
              self.assertTrue(
                  issubclass(ws[0].category, DeprecationWarning)
              )
  
file_path: gpytorch/test/lazy/test_lazy_tensor_deprecation.py
imports: import unittest
  import warnings
  import linear_operator
  import torch
  import gpytorch
  from gpytorch.test.base_test_case import BaseTestCase
label_desc: Use image node_id 1 for calling the LazyTensorImport obj's underlying member method code with example usage: obj.test_deprecated_imports() without return types