[processing] Set value of unused optional layer parameters to None in…

…stead of empty string
qgis · Dec 13, 2017 · ea49c82 · ea49c82
1 parent 1648c79
commit ea49c82
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/python/plugins/processing/gui/wrappers.py b/python/plugins/processing/gui/wrappers.py
@@ -795,7 +795,7 @@ def value(self):
                 if layer is not None:
                     return layer
                 else:
-                    return self.combo.currentText()
+                    return self.combo.currentText() or None
             except:
                 return self.combo.currentText()
         elif self.dialogType == DIALOG_BATCH: