[processing] Add comment to make it clear why we need to close the dialog here

gacarrillor · m-kuhn · commit ac508d4c7814 · 2018-05-03T12:49:17.000+02:00
diff --git a/python/plugins/processing/tools/general.py b/python/plugins/processing/tools/general.py
@@ -154,5 +154,6 @@ def execAlgorithmDialog(algOrName, parameters={}):
         canvas.setMapTool(prevMapTool)
 
     results = dlg.results()
+    # make sure the dialog is destroyed and not only hidden on pressing Esc
     dlg.close()
     return results
