formal clean-up: add lines between methods, remove excess spaces

composer/report/result.py

@@ -53,6 +53,7 @@ class Row(BaseRow):
     def getGroupFields(self):
         return [self.getRawValue(f.name) for f in
                     self.parent.context.fields if 'group' in f.executionSteps]
+
     @Lazy
     def displayedColumns(self):
         return self.parent.context.getActiveOutputFields()