code: def tearDown(self):
      cupy._core.set_compute_type(self.dtype, self.old_compute_type)
  
imports: import operator
  import unittest
  import numpy
  import pytest
  import cupy
  from cupy._core import _routines_linalg
  from cupy import testing
label_desc: Use image node_id 2 for calling the _TestMatmulComputeTypes obj's underlying member method code with example usage: obj.tearDown() without return types