JSON decode error in the log

[ichorid]

Latest main (3e5f265)

A JSONDecodeError appears in the log:

[tribler-core PID:1711190] 2023-02-20 17:26:43,156 - WARNING - TorrentChecker(157) - http tracker failed for url http://tracker....announce.php (error: Server disconnected)
[tribler-gui PID:1711138] 2023-02-20 17:26:43,739 - INFO - StartDownloadDialog(276) - Download folder: /home/tribler_user/...
[tribler-gui PID:1711138] 2023-02-20 17:26:43,739 - INFO - RequestManager(123) - Request: PUT http://localhost:52194/downloads
[tribler-gui PID:1711138] 2023-02-20 17:26:43,740 - WARNING - Request(125) - Request was canceled: GET http://localhost:52194/torrentinfo?uri=magnet...&hops=0
[tribler-gui PID:1711138] 2023-02-20 17:26:43,740 - INFO - Request(94) - Finished: GET http://localhost:52194/torrentinfo?uri=magnet...&hops=0
[tribler-gui PID:1711138] 2023-02-20 17:26:43,751 - WARNING - Request(125) - Request was canceled: GET http://localhost:52194/torrentinfo?uri=magnet...&hops=0
QIODevice::read (QNetworkReplyHttpImpl): device not open
[tribler-gui PID:1711138] 2023-02-20 17:26:43,740 - ERROR <request:115> Request._on_finished(): Expecting value: line 1 column 1 (char 0)
Traceback (most recent call last):
  File "/home/tribler_user/tribler/gui/network/request.py", line 107, in _on_finished
    result = json.loads(data)
  File "/usr/lib/python3.10/json/__init__.py", line 346, in loads
    return _default_decoder.decode(s)
  File "/usr/lib/python3.10/json/decoder.py", line 337, in decode
    obj, end = self.raw_decode(s, idx=_w(s, 0).end())
  File "/usr/lib/python3.10/json/decoder.py", line 355, in raw_decode
    raise JSONDecodeError("Expecting value", s, err.value) from None
json.decoder.JSONDecodeError: Expecting value: line 1 column 1 (char 0)