-from PyQt4.QtGui import QAction
-from PyQt4.QtCore import Qt, SIGNAL, QVariant
+from determine import monEnvQT5
+if monEnvQT5:
+ from PyQt5.QtWidgets import QAction
+ from PyQt5.QtCore import Qt
+else :
+ from PyQt4.QtGui import *
+ from PyQt4.QtCore import *
+