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[dbmanager] skip RuntimeError: fixes #6892

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This commit is contained in:
Salvatore Larosa 2013-08-22 18:22:09 +02:00
parent 7f8b259209
commit fc2a4a14fa
1 changed files with 5 additions and 1 deletions
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4
python/plugins/db_manager/layer_preview.py
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@ -74,7 +74,11 @@ class LayerPreview(QgsMapCanvas):
def _clear(self):
""" remove any layers from preview canvas """
if self.item is not None:
## skip exception on RuntimeError fixes #6892
try:
self.disconnect(self.item, SIGNAL('aboutToChange'), self.setDirty)
except RuntimeError:
pass
self.item = None
self.dirty = False