code: def tearDown(self):
      cuda.nvtx.available = self.nvtx_available
  
file_path: cupy/tests/cupy_tests/prof_tests/test_range.py
imports: import unittest
  from unittest import mock
  from cupy import cuda
  from cupy import prof
label_desc: Use image node_id 2 for calling the TestTimeRangeNVTXUnavailable obj's underlying member method code with example usage: obj.tearDown() without return types