Handle incomplete serialized HTTP error

HTTPError: 500 Server Error: Erreur Interne de Servlet for url: $HOST/nuxeo/api/v1/upload/batchId-6605fcae-7797-466b-9030-02a3d3e1edc8/0/execute/NuxeoDrive.CreateFile
  File "nuxeo\client.py", line 305, in request
  File "requests\models.py", line 943, in raise_for_status

HTTPError: HTTPError(-1), error: None, server trace: None
(9 additional frame(s) were not displayed)
...
  File "nxdrive\client\uploader\__init__.py", line 392, in link_blob_to_doc
  File "nxdrive\client\remote_client.py", line 263, in execute
  File "nxdrive\client\remote_client.py", line 259, in execute
  File "nuxeo\operations.py", line 199, in execute
  File "nuxeo\client.py", line 308, in request

Unknown error