That script dies, before it starts. I followed the ReadMe, and added tokens and the path to the video file. I have python 2.7.2:
$ python async-upload.py INIT Traceback (most recent call last): File "async-upload.py", line 166, in <module> videoTweet.upload_init() File "async-upload.py", line 52, in upload_init req = requests.post(url=MEDIA_ENDPOINT_URL, data=request_data, auth=oauth) File "/Library/Python/2.7/site-packages/requests/api.py", line 111, in post return request('post', url, data=data, json=json, **kwargs) File "/Library/Python/2.7/site-packages/requests/api.py", line 57, in request return session.request(method=method, url=url, **kwargs) File "/Library/Python/2.7/site-packages/requests/sessions.py", line 475, in request resp = self.send(prep, **send_kwargs) File "/Library/Python/2.7/site-packages/requests/sessions.py", line 585, in send r = adapter.send(request, **kwargs) File "/Library/Python/2.7/site-packages/requests/adapters.py", line 467, in send raise ConnectionError(e, request=request) requests.exceptions.ConnectionError: HTTPSConnectionPool(host='upload.twitter.com', port=443): Max retries exceeded with url: /1.1/media/upload.json (Caused by NewConnectionError('<requests.packages.urllib3.connection.VerifiedHTTPSConnection object at 0x10dc17ed0>: Failed to establish a new connection: [Errno 8] nodename nor servname provided, or not known',))