--- a/eric6.py	Fri Sep 09 19:04:13 2016 +0200
+++ b/eric6.py	Sat Sep 10 12:35:05 2016 +0200
@@ -239,6 +239,8 @@
          "don't open anything at startup except that given in command"),
         ("--plugin=plugin-file",
          "load the given plugin file (plugin development)"),
+        ("--pyqt4",
+         "force use of PyQt4 in environments that have both PyQt variants"),
         ("--settings=settingsDir",
          "use the given directory to store the settings files"),
         ("--start-file", "load the most recently opened file"),