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Add defense for when active printer is None

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This commit is contained in:
ChrisTerBeke 2019-07-10 12:55:12 +02:00
parent f1df7b93c4
commit 99e2939801
1 changed files with 1 additions and 1 deletions
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2
plugins/UM3NetworkPrinting/src/Cloud/CloudOutputDevice.py
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@ -256,7 +256,7 @@ class CloudOutputDevice(NetworkedPrinterOutputDevice):
remote_printers_keys = [printer_data.uuid for printer_data in remote_printers]
removed_printers = [printer for printer in self._printers if printer.key not in remote_printers_keys]
for removed_printer in removed_printers:
if self._active_printer.key == removed_printer.key:
if self._active_printer and self._active_printer.key == removed_printer.key:
self.setActivePrinter(None)
self._printers = new_printers