code: def test_wrong_version(self):
      with self.assertRaisesRegexp(AssertionError, ""):
          require_module("tensorflow", 100, mandatory=True)
  
file_path: NiftyNet/tests/util_import_test.py
imports: import tensorflow
  from niftynet.utilities.util_import import require_module
  from tests.niftynet_testcase import NiftyNetTestCase
label_desc: Use image node_id 4 for calling the OptionalPackageTest obj's underlying member method code with example usage: obj.test_wrong_version() without return types