Get information about a user through user key
        :param userkey: The user key
        :param expand: OPTIONAL expand for get status of user.
                Possible param is "status". Results are "Active, Deactivated"
        :return: Returns the user details

def get_user_details_by_userkey(self, userkey, expand=None):
        """
        Get information about a user through user key
        :param userkey: The user key
        :param expand: OPTIONAL expand for get status of user.
                Possible param is "status". Results are "Active, Deactivated"
        :return: Returns the user details
        """
        if expand:
            url = 'rest/api/user?key={userkey}&expand={expand}'.format(userkey=userkey,
                                                                       expand=expand)
        else:
            url = 'rest/api/user?key={userkey}'.format(userkey=userkey)
        return self.get(url)