[processing][grass] Fix error after running grass algorithms

nyalldawson · nyalldawson · commit bec878f6f961 · 2018-03-27T07:10:37.000+11:00
diff --git a/python/plugins/processing/algs/grass7/Grass7Algorithm.py b/python/plugins/processing/algs/grass7/Grass7Algorithm.py
@@ -59,6 +59,7 @@
                        QgsProcessingParameterFileDestination,
                        QgsProcessingParameterFile,
                        QgsProcessingParameterFolderDestination,
+                       QgsProcessingOutputHtml,
                        QgsProcessingUtils)
 from qgis.utils import iface
 
