sregistry push --name mso4sc/bigfile --tag test salome-8.3.0.simg 
[client|registry] [database|sqlite:////root/.singularity/sregistry.db]
Traceback (most recent call last): 0/2658 MB - 00:00:00
  File "/usr/local/lib/python3.6/site-packages/urllib3/connectionpool.py", line 601, in urlopen
    chunked=chunked)
  File "/usr/local/lib/python3.6/site-packages/urllib3/connectionpool.py", line 357, in _make_request
    conn.request(method, url, **httplib_request_kw)
  File "/usr/local/lib/python3.6/http/client.py", line 1239, in request
    self._send_request(method, url, body, headers, encode_chunked)
  File "/usr/local/lib/python3.6/http/client.py", line 1285, in _send_request
    self.endheaders(body, encode_chunked=encode_chunked)
  File "/usr/local/lib/python3.6/http/client.py", line 1234, in endheaders
    self._send_output(message_body, encode_chunked=encode_chunked)
  File "/usr/local/lib/python3.6/http/client.py", line 1065, in _send_output
    self.send(chunk)
  File "/usr/local/lib/python3.6/http/client.py", line 986, in send
    self.sock.sendall(data)
  File "/usr/local/lib/python3.6/ssl.py", line 972, in sendall
    v = self.send(byte_view[count:])
  File "/usr/local/lib/python3.6/ssl.py", line 941, in send
    return self._sslobj.write(data)
  File "/usr/local/lib/python3.6/ssl.py", line 642, in write
    return self._sslobj.write(data)
BrokenPipeError: [Errno 32] Broken pipe

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.6/site-packages/requests/adapters.py", line 440, in send
    timeout=timeout
  File "/usr/local/lib/python3.6/site-packages/urllib3/connectionpool.py", line 639, in urlopen
    _stacktrace=sys.exc_info()[2])
  File "/usr/local/lib/python3.6/site-packages/urllib3/util/retry.py", line 357, in increment
    raise six.reraise(type(error), error, _stacktrace)
  File "/usr/local/lib/python3.6/site-packages/urllib3/packages/six.py", line 685, in reraise
    raise value.with_traceback(tb)
  File "/usr/local/lib/python3.6/site-packages/urllib3/connectionpool.py", line 601, in urlopen
    chunked=chunked)
  File "/usr/local/lib/python3.6/site-packages/urllib3/connectionpool.py", line 357, in _make_request
    conn.request(method, url, **httplib_request_kw)
  File "/usr/local/lib/python3.6/http/client.py", line 1239, in request
    self._send_request(method, url, body, headers, encode_chunked)
  File "/usr/local/lib/python3.6/http/client.py", line 1285, in _send_request
    self.endheaders(body, encode_chunked=encode_chunked)
  File "/usr/local/lib/python3.6/http/client.py", line 1234, in endheaders
    self._send_output(message_body, encode_chunked=encode_chunked)
  File "/usr/local/lib/python3.6/http/client.py", line 1065, in _send_output
    self.send(chunk)
  File "/usr/local/lib/python3.6/http/client.py", line 986, in send
    self.sock.sendall(data)
  File "/usr/local/lib/python3.6/ssl.py", line 972, in sendall
    v = self.send(byte_view[count:])
  File "/usr/local/lib/python3.6/ssl.py", line 941, in send
    return self._sslobj.write(data)
  File "/usr/local/lib/python3.6/ssl.py", line 642, in write
    return self._sslobj.write(data)
urllib3.exceptions.ProtocolError: ('Connection aborted.', BrokenPipeError(32, 'Broken pipe'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/bin/sregistry", line 11, in <module>
    load_entry_point('sregistry', 'console_scripts', 'sregistry')()
  File "/usr/local/lib/sregistry-cli/sregistry/client/__init__.py", line 352, in main
    subparser=subparsers[args.command])
  File "/usr/local/lib/sregistry-cli/sregistry/client/push.py", line 42, in main
    tag=args.tag)
  File "/usr/local/lib/sregistry-cli/sregistry/main/registry/push.py", line 88, in push
    r = requests.post(url, data=monitor, headers=headers)
  File "/usr/local/lib/python3.6/site-packages/requests/api.py", line 112, in post
    return request('post', url, data=data, json=json, **kwargs)
  File "/usr/local/lib/python3.6/site-packages/requests/api.py", line 58, in request
    return session.request(method=method, url=url, **kwargs)
  File "/usr/local/lib/python3.6/site-packages/requests/sessions.py", line 508, in request
    resp = self.send(prep, **send_kwargs)
  File "/usr/local/lib/python3.6/site-packages/requests/sessions.py", line 618, in send
    r = adapter.send(request, **kwargs)
  File "/usr/local/lib/python3.6/site-packages/requests/adapters.py", line 490, in send
    raise ConnectionError(err, request=request)
requests.exceptions.ConnectionError: ('Connection aborted.', BrokenPipeError(32, 'Broken pipe'))