From stderr.log:
Deleting plugins\Toolbox helped (after that marketplace button doesn't work) . Or nicer approach:
--- Toolbox.py 2019-12-24 12:29:39.000000000 +0200
+++ a/Toolbox.py 2019-12-24 13:06:54.000000000 +0200
@@ -548,11 +548,11 @@
# --------------------------------------------------------------------------
def _makeRequestByType(self, request_type: str) -> None:
Logger.log("d", "Requesting %s metadata from server.", request_type)
- request = QNetworkRequest(self._request_urls[request_type])
- for header_name, header_valu