Workflow 8 runtime error?

[RichardBruskiewich]

@tknijnen
The following step in the notebook "2019_01_02_workflow8_TAKunderconstruction.ipynb":

network.iloc[:, 1:].to_csv('tmp.csv', sep='\t', header=None, index=None)

files = {'file': open('tmp.csv', 'rb')}

ddot_host = f'http://{ucsd_hostname}:8383'
ddot_route = '/api/ontology'
ddot_query = '?alpha=0.007&beta=0.5'
url = '{}{}{}'.format(ddot_host, ddot_route, ddot_query)

print(url)

ndex_url = 'http://test.ndexbio.org/#/network/'
r = requests.post(url, files=files)
if r is not None and r.text is not None:
uuid = r.text
print('{}{}'.format(ndex_url, uuid))

triggers the following runtime error:

---------------------------------------------------------------------------
TimeoutError                              Traceback (most recent call last)
/anaconda3/lib/python3.7/site-packages/urllib3/connection.py in _new_conn(self)
158             conn = connection.create_connection(
--> 159                 (self._dns_host, self.port), self.timeout, **extra_kw)
160 

... LONG ERROR TRACE then...

/anaconda3/lib/python3.7/site-packages/requests/adapters.py in send(self, request, stream, timeout, verify, cert, proxies)
   514                 raise SSLError(e, request=request)
   515 
--> 516             raise ConnectionError(e, request=request)
     517 
    518         except ClosedPoolError as e:

ConnectionError: HTTPConnectionPool(host='ec2-52-37-226-115.us-west-    2.compute.amazonaws.com', port=8383): Max retries exceeded with url: /api/ontology?alpha=0.007&beta=0.5 (Caused by NewConnectionError('<urllib3.connection.HTTPConnection object at 0x1126d68d0>: Failed to establish a new connection: [Errno 60] Operation timed out'))