Batch Errors with requests v2.13.0

[kentwills]

[2017-04-24 18:00:09,940]
ERROR in app: Exception on /tasks/email_users_for_weekly_opt_in [GET]

11:00:09.981 Traceback (most recent call last):
11:00:09.981 File "/flask/app.py", line 1982, in wsgi_app
11:00:09.982 response = self.full_dispatch_request()
11:00:09.982 File "/flask/app.py", line 1614, in full_dispatch_request
11:00:09.982 rv = self.handle_user_exception(e)
11:00:09.982 File "/flask/app.py", line 1517, in handle_user_exception
11:00:09.982 reraise(exc_type, exc_value, tb)
11:00:09.982 File "/flask/app.py", line 1612, in full_dispatch_request
11:00:09.982 rv = self.dispatch_request()
11:00:09.982 File "/flask/app.py", line 1598, in dispatch_request
11:00:09.982 return self.view_functionsrule.endpoint
11:00:09.982 File "/yelp_beans/routes/tasks.py", line 41, in weekly_opt_in
11:00:09.982 send_batch_weekly_opt_in_email(spec)
11:00:09.982 File "/yelp_beans/send_email.py", line 103, in send_batch_weekly_opt_in_email
11:00:09.982 'link_to_change_pref': 'https://yelp-beans.appspot.com/'
11:00:09.982 File "/yelp_beans/send_email.py", line 59, in send_single_email
11:00:09.982 return send_grid_client.client.mail.send.post(request_body=message.get())
11:00:09.982 File "/python_http_client/client.py", line 204, in http_request
11:00:09.982 return Response(self._make_request(opener, request))
11:00:09.982 File "/python_http_client/client.py", line 138, in _make_request
11:00:09.982 return opener.open(request)
11:00:09.982 File "/urllib2.py", line 410, in open
11:00:09.982 response = meth(req, response)
11:00:09.982 File "/urllib2.py", line 523, in http_response
11:00:09.982 'http', request, response, code, msg, hdrs)
11:00:09.982 File "/urllib2.py", line 448, in error
11:00:09.982 return self._call_chain(*args)
11:00:09.982 File "/urllib2.py", line 382, in _call_chain
11:00:09.982 result = func(*args)
11:00:09.982 File "/urllib2.py", line 531, in http_error_default
11:00:09.982 raise HTTPError(req.get_full_url(), code, msg, hdrs, fp)
11:00:09.982 HTTPError: HTTP Error 401: Unauthorized