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

def __add__(self, other):
        if self == other:
            # Merge the two suites
            result = deepcopy(self)
            for case in other:
                result._add_testcase_no_update_stats(case)
            for suite in other.testsuites():
                result.add_testsuite(suite)
            result.update_statistics()
        else:
            # Create a new test result containing two suites
            result = JUnitXml()
            result.add_testsuite(self)
            result.add_testsuite(other)
        return result

def __iadd__(self, other):
        if self == other:
            for case in other:
                self._add_testcase_no_update_stats(case)
            for suite in other.testsuites():
                self.add_testsuite(suite)
            self.update_statistics()
            return self
        else:
            result = JUnitXml()
            result.filepath = self.filepath
            result.add_testsuite(self)
            result.add_testsuite(other)
            return result

def __add__(self, other):
        result = JUnitXml()
        for suite in self:
            result.add_testsuite(suite)
        for suite in other:
            result.add_testsuite(suite)
        return result

def __add__(self, other):
        if self == other:
            # Merge the two suites
            result = deepcopy(self)
            for case in other:
                result._add_testcase_no_update_stats(case)
            for suite in other.testsuites():
                result.add_testsuite(suite)
            result.update_statistics()
        else:
            # Create a new test result containing two suites
            result = JUnitXml()
            result.add_testsuite(self)
            result.add_testsuite(other)
        return result

def __init__(self, name=None):
        super(JUnitXml, self).__init__(self._tag)
        self.filepath = None
        self.name = name

def __iadd__(self, other):
        if self == other:
            for case in other:
                self._add_testcase_no_update_stats(case)
            for suite in other.testsuites():
                self.add_testsuite(suite)
            self.update_statistics()
            return self
        else:
            result = JUnitXml()
            result.filepath = self.filepath
            result.add_testsuite(self)
            result.add_testsuite(other)
            return result

def __add__(self, other):
        result = JUnitXml()
        for suite in self:
            result.add_testsuite(suite)
        for suite in other:
            result.add_testsuite(suite)
        return result