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Prevent crash if disconnect already happend

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CL-541
This commit is contained in:
Jaime van Kessel 2017-12-21 15:14:50 +01:00
parent 9754aa5397
commit b1e9e3b8fa
1 changed files with 5 additions and 1 deletions
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6
plugins/UM3NetworkPrinting/UM3OutputDevicePlugin.py
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@ -227,7 +227,11 @@ class UM3OutputDevicePlugin(OutputDevicePlugin):
if device:
if device.isConnected():
device.disconnect()
device.connectionStateChanged.disconnect(self._onDeviceConnectionStateChanged)
try:
device.connectionStateChanged.disconnect(self._onDeviceConnectionStateChanged)
except TypeError:
# Disconnect already happened.
pass
self.discoveredDevicesChanged.emit()