Traceback (most recent call last):

 "/home/wazebot/wazebot/hangupsbot/hangupsbot.py", line 749, in coro_send_message
otr_status=otr_status )

 "/home/wazebot/wazebot/hangupsbot/hangups_conversation.py", line 162, in send_message
image_id=image_id, otr_status=otr_status

 "/usr/local/lib/python3.4/site-packages/hangups/client.py", line 431, in sendchatmessage
res = yield from self._request('conversations/sendchatmessage', body)

 "/usr/local/lib/python3.4/site-packages/hangups/client.py", line 327, in _request
use_json=use_json

 "/usr/local/lib/python3.4/site-packages/hangups/client.py", line 350, in _base_request
data=data, connector=self._connector

 "/usr/local/lib/python3.4/site-packages/hangups/http_utils.py", line 57, in fetch
.format(res.status, res.reason)hangups.exceptions.NetworkError: Request return unexpected status: 400: Bad Request
Traceback (most recent call last):


 "/usr/lib/python2.7/dist-packages/pip/basecommand.py", line 122, in main

status = self.run(options, args)


 "/usr/lib/python2.7/dist-packages/pip/commands/install.py", line 278, in run

requirement_set.prepare_files(finder, force_root_egg_info=self.bundle, bundle=self.bundle)


 "/usr/lib/python2.7/dist-packages/pip/req.py", line 1198, in prepare_files

do_download,


 "/usr/lib/python2.7/dist-packages/pip/req.py", line 1376, in unpack_url

self.session,


 "/usr/lib/python2.7/dist-packages/pip/download.py", line 547, in unpack_http_url

resp.raise_for_status()


 "/usr/share/python-wheels/requests-2.2.1-py2.py3-none-any.whl/requests/models.py", line 773, in raise_for_status

raise HTTPError(http_error_msg, response=self)
HTTPError: 503 Server Error: Backend is unhealthy
