[processing] fix geometry by expression algorithm geometryless input

qgis · Jun 12, 2018 · f1397f8 · f1397f8
1 parent 4e37f38
commit f1397f8
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/python/plugins/processing/algs/qgis/GeometryByExpression.py b/python/plugins/processing/algs/qgis/GeometryByExpression.py
@@ -28,6 +28,7 @@
 from qgis.core import (QgsWkbTypes,
                        QgsExpression,
                        QgsGeometry,
+                       QgsProcessing,
                        QgsProcessingException,
                        QgsProcessingParameterBoolean,
                        QgsProcessingParameterEnum,
@@ -105,6 +106,9 @@ def prepareAlgorithm(self, parameters, context, feedback):
     def outputWkbType(self, input_wkb_type):
         return self.wkb_type
 
+    def inputLayerTypes(self):
+        return [QgsProcessing.TypeVector]
+
     def sourceFlags(self):
         return QgsProcessingFeatureSource.FlagSkipGeometryValidityChecks