[processing] Script decorators: correctly check that parent parameter…

… exist
qgis · Feb 25, 2019 · f76be66 · f76be66
1 parent 206cc96
commit f76be66
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/python/processing/algfactory.py b/python/processing/algfactory.py
@@ -176,7 +176,7 @@ def _create_param(self, type, output=False, **kwargs):
             if parentname == name:
                 raise ProcessingAlgFactoryException("{} can't depend on itself. "
                                                     "We know QGIS is smart but it's not that smart".format(name))
-            if parentname not in self._inputs or parentname not in self._outputs:
+            if parentname not in self._inputs and parentname not in self._outputs:
                 raise ProcessingAlgFactoryException("Can't find parent named {}".format(parentname))
 
         kwargs['description'] = kwargs.pop("label", "")