<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def post(self, document):
 """Send to API a document or a list of document. :param document: a document or a list of document. :type document: dict or list :return: Message with location of job :rtype: dict :raises ValidationError: if API returns status 400 :raises Unauthorized: if API returns status 401 :raises Forbidden: if API returns status 403 :raises NotFound: if API returns status 404 :raises ApiError: if API returns other status """


        if type(document) is dict:
            document = [document]

        return self.make_request(method='POST', uri='updates/', data=document)