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safer check if crs is None

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This commit is contained in:
Luigi Pirelli 2018-09-03 14:02:34 +02:00
parent 365e952cd9
commit b3d94f110f
1 changed files with 1 additions and 1 deletions
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python/plugins/processing/algs/qgis/RasterCalculator.py
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@ -110,7 +110,7 @@ class RasterCalculator(QgisAlgorithm):
layersDict = {lyr.source(): lyr for lyr in layers} layersDict = {lyr.source(): lyr for lyr in layers}
crs = self.parameterAsCrs(parameters, self.CRS, context) crs = self.parameterAsCrs(parameters, self.CRS, context)
if not crs or not crs.isValid(): if crs is None or not crs.isValid():
if not layers: if not layers:
raise QgsProcessingException(self.tr("No reference layer selected nor CRS provided")) raise QgsProcessingException(self.tr("No reference layer selected nor CRS provided"))
else: else: