safer check if crs is None

qgis · Sep 3, 2018 · b3d94f1 · b3d94f1
1 parent 365e952
commit b3d94f1
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/python/plugins/processing/algs/qgis/RasterCalculator.py b/python/plugins/processing/algs/qgis/RasterCalculator.py
@@ -110,7 +110,7 @@ def processAlgorithm(self, parameters, context, feedback):
             layersDict = {lyr.source(): lyr for lyr in layers}
 
         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:
                 raise QgsProcessingException(self.tr("No reference layer selected nor CRS provided"))
             else: