How to use the picard.util.compare_version_tuples function in picard

def test_compare_version_06(self):
        a, b, r = (1, 1, 0, 'dev', 1), (1, 1, 0, 'dev', 1), 0
        self.assertEqual(compare_version_tuples(a, b), r)

def test_compare_version_11(self):
        a, b, r = (1, 0, 0, 'dev', 1), (0, 1, 1, 'dev', 2), -1
        self.assertEqual(compare_version_tuples(a, b), r)

def test_compare_version_33(self):
        a, b, r = (0, 0, 2, 'dev', 1), (0, 1, 0, 'final', 0), 1
        self.assertEqual(compare_version_tuples(a, b), r)

def test_compare_version_12(self):
        a, b, r = (0, 0, 1, 'dev', 1), (0, 0, 1, 'dev', 2), 1
        self.assertEqual(compare_version_tuples(a, b), r)

def test_compare_version_22(self):
        a, b, r = (1, 0, 1, 'final', 0), (1, 0, 1, 'final', 0), 0
        self.assertEqual(compare_version_tuples(a, b), r)

def test_compare_version_23(self):
        a, b, r = (1, 1, 0, 'final', 0), (1, 1, 0, 'final', 0), 0
        self.assertEqual(compare_version_tuples(a, b), r)

def test_compare_version_02(self):
        a, b, r = (0, 1, 0, 'dev', 1), (0, 1, 0, 'dev', 1), 0
        self.assertEqual(compare_version_tuples(a, b), r)

def test_compare_version_13(self):
        a, b, r = (0, 0, 1, 'dev', 2), (0, 0, 2, 'dev', 1), 1
        self.assertEqual(compare_version_tuples(a, b), r)

def test_compare_version_03(self):
        a, b, r = (0, 1, 1, 'dev', 1), (0, 1, 1, 'dev', 1), 0
        self.assertEqual(compare_version_tuples(a, b), r)

def _display_results(self):
        # Display results to user.
        key = ''
        high_version = PICARD_VERSION
        for test_key in PROGRAM_UPDATE_LEVELS:
            update_level = PROGRAM_UPDATE_LEVELS[test_key]['name']
            test_version = self._available_versions.get(update_level, {}).get('version', (0, 0, 0, ''))
            if self._update_level >= test_key and compare_version_tuples(high_version, test_version) > 0:
                key = PROGRAM_UPDATE_LEVELS[test_key]['name']
                high_version = test_version
        if key:
            if QMessageBox.information(
                self._parent,
                _("Picard Update"),
                _("A new version of Picard is available.\n\n"
                  "This version: {picard_old_version}\n"
                  "New version: {picard_new_version}\n\n"
                  "Would you like to download the new version?").format(
                      picard_old_version=PICARD_FANCY_VERSION_STR,
                      picard_new_version=self._available_versions[key]['tag']
                ),
                QMessageBox.Ok | QMessageBox.Cancel,
                QMessageBox.Cancel
            ) == QMessageBox.Ok: