How to use the splitwise.exception.SplitwiseNotFoundException function in splitwise

def getGroup(self, id=0):
        """ Gets the detail of particular group a user is part of.

        Args:
            id(long, optional): ID of the group. Default value is 0, and means non-group expenses

        Returns:
            :obj:`splitwise.group.Group`: Object representing a group
        """
        try:
            content = self.__makeRequest(Splitwise.GET_GROUP_URL+"/"+str(id))
        except SplitwiseNotAllowedException as e:
            e.setMessage("You are not allowed to fetch group with id %d" % id)
            raise
        except SplitwiseNotFoundException as e:
            e.setMessage("Group with id %d does not exist" % id)
            raise

        content = json.loads(content)
        group = None
        if "group" in content:
            group = Group(content["group"])

        return group

if response.status_code == 200:
            if (response.content and hasattr(response.content, "decode")):
                return response.content.decode("utf-8")
            return response.content

        if response.status_code == 401:
            raise SplitwiseUnauthorizedException("Please check your token or consumer id and secret", response=response)

        if response.status_code == 403:
            raise SplitwiseNotAllowedException("You are not allowed to perform this operation", response=response)

        if response.status_code == 400:
            raise SplitwiseBadRequestException("Please check your request", response=response)

        if response.status_code == 404:
            raise SplitwiseNotFoundException("Required resource is not found", response)

        raise SplitwiseException("Unknown error happened", response)