old_contents: import math
  import sys
  
  import numpy as np
  
  from numba import njit
  from numba.core.compiler import compile_isolated
  import numba.tests.usecases as uc
  import unittest
  
  
  class TestAutoConstants(unittest.TestCase):
      def test_numpy_nan(self):
          def pyfunc():
              return np.nan
  
          cres = compile_isolated(pyfunc, ())
          cfunc = cres.entry_point
  
          self.assertTrue(math.isnan(pyfunc()))
          self.assertTrue(math.isnan(cfunc()))
  
      def test_sys_constant(self):
          def pyfunc():
              return sys.hexversion
  
          cres = compile_isolated(pyfunc, ())
          cfunc = cres.entry_point
  
          self.assertEqual(pyfunc(), cfunc())
  
      def test_module_string_constant(self):
          @njit
          def f():
              return uc._GLOBAL_STR
          self.assertEquals(f(), "abc")
  
  
  if __name__ == '__main__':
      unittest.main()
  
  
new_contents: import math
  import sys
  
  import numpy as np
  
  from numba import njit
  from numba.core.compiler import compile_isolated
  import numba.tests.usecases as uc
  import unittest
  
  
  class TestAutoConstants(unittest.TestCase):
      def test_numpy_nan(self):
          def pyfunc():
              return np.nan
  
          cres = compile_isolated(pyfunc, ())
          cfunc = cres.entry_point
  
          self.assertTrue(math.isnan(pyfunc()))
          self.assertTrue(math.isnan(cfunc()))
  
      def test_sys_constant(self):
          def pyfunc():
              return sys.hexversion
  
          cres = compile_isolated(pyfunc, ())
          cfunc = cres.entry_point
  
          self.assertEqual(pyfunc(), cfunc())
  
      def test_module_string_constant(self):
          @njit
          def f():
              return uc._GLOBAL_STR
          self.assertEquals(f(), f.py_func())
  
  
  if __name__ == '__main__':
      unittest.main()
  
subject: Update numba/tests/test_auto_constants.py