code: def test_exact_values():
      # Check that updating stored values with exact ones worked.
      for key in codata.exact_values:
          assert_(
              (codata.exact_values[key][0] - value(key)) / value(key)
              == 0
          )
  
file_path: catboost/contrib/python/scipy/py2/scipy/constants/tests/test_codata.py
imports: from __future__ import division, print_function, absolute_import
  from scipy.constants import constants, codata, find, value
  from numpy.testing import assert_equal, assert_, assert_almost_equal
label_desc: Use image node_id 7 for calling a global function with example usage: test_exact_values() without return types