Direct Edit should be robust against connection errors

Cannot unlock document WindowsPath('...')

timeout: timed out
  File "lib\site-packages\urllib3\connection.py", line 160, in _new_conn
  File "lib\site-packages\urllib3\util\connection.py", line 80, in create_connection
  File "lib\site-packages\urllib3\util\connection.py", line 70, in create_connection

ConnectTimeoutError: (<urllib3.connection.VerifiedHTTPSConnection object at 0x034C1F10>, 'Connection to SERVER timed out. (connect timeout=5)')
  File "lib\site-packages\urllib3\connectionpool.py", line 603, in urlopen
  File "lib\site-packages\urllib3\connectionpool.py", line 344, in _make_request
  File "lib\site-packages\urllib3\connectionpool.py", line 843, in _validate_conn
  File "lib\site-packages\urllib3\connection.py", line 316, in connect
  File "lib\site-packages\urllib3\connection.py", line 165, in _new_conn

MaxRetryError: HTTPSConnectionPool(host='SERVER', port=443): Max retries exceeded with url: /nuxeo/site/automation/Document.Unlock (Caused by ConnectTimeoutError(<urllib3.connection.VerifiedHTTPSConnection object at 0x034C1F10>, 'Connection to SERVER timed out. (connect timeout=5)'))
  File "lib\site-packages\requests\adapters.py", line 449, in send
  File "lib\site-packages\urllib3\connectionpool.py", line 670, in urlopen
  File "lib\site-packages\urllib3\connectionpool.py", line 670, in urlopen
  File "lib\site-packages\urllib3\connectionpool.py", line 670, in urlopen
  File "lib\site-packages\urllib3\connectionpool.py", line 670, in urlopen
  File "lib\site-packages\urllib3\connectionpool.py", line 670, in urlopen
  File "lib\site-packages\urllib3\connectionpool.py", line 641, in urlopen
  File "lib\site-packages\urllib3\util\retry.py", line 399, in increment

ConnectTimeout: HTTPSConnectionPool(host='SERVER', port=443): Max retries exceeded with url: /nuxeo/site/automation/Document.Unlock (Caused by ConnectTimeoutError(<urllib3.connection.VerifiedHTTPSConnection object at 0x034C1F10>, 'Connection to SERVER timed out. (connect timeout=5)'))
  File "nxdrive\direct_edit.py", line 596, in _handle_lock_queue
  File "nxdrive\client\remote_client.py", line 801, in unlock
  File "nxdrive\client\remote_client.py", line 139, in execute
  File "lib\site-packages\nuxeo\operations.py", line 203, in execute
  File "lib\site-packages\nuxeo\client.py", line 272, in request
  File "lib\site-packages\nuxeo\client.py", line 267, in request
  File "lib\site-packages\requests\sessions.py", line 533, in request
  File "lib\site-packages\requests\sessions.py", line 646, in send
  File "lib\site-packages\requests\adapters.py", line 504, in send