How to use the junitparser.junitparser.Error function in junitparser

def update_statistics(self):
        """Updates test count and test time."""
        tests = errors = failures = skipped = 0
        time = 0
        for case in self:
            tests += 1
            if isinstance(case.result, Failure):
                failures += 1
            elif isinstance(case.result, Error):
                errors += 1
            elif isinstance(case.result, Skipped):
                skipped += 1
            if case.time is not None:
                time += case.time
        self.tests = tests
        self.errors = errors
        self.failures = failures
        self.skipped = skipped
        self.time = time

def update_statistics(self):
        """Updates test count and test time."""
        tests = errors = failures = skipped = 0
        time = 0
        for case in self:
            tests += 1
            if isinstance(case.result, Failure):
                failures += 1
            elif isinstance(case.result, Error):
                errors += 1
            elif isinstance(case.result, Skipped):
                skipped += 1
            if case.time is not None:
                time += case.time
        self.tests = tests
        self.errors = errors
        self.failures = failures
        self.skipped = skipped
        self.time = time

def __eq__(self, other):
        return super(Error, self).__eq__(other)

def __eq__(self, other):
        return super(Error, self).__eq__(other)