add menu for device import

GUI.py

@@ -47,13 +47,16 @@ class MainWindow(QtWidgets.QMainWindow):
         self.combo.move(100,350)
         self.combo.resize(100, 32)
 
-        menubar = self.menuBar()
-        devicesMenu = menubar.addMenu("Devices")
-
         def readFile(fname):
             try:
                 with open(fname, "r") as f:
                     for item in f:
+                        menubar = self.menuBar()
+                        fileMenu = menubar.addMenu('Devices')
+        
+                        deviceImport = QAction(item, self)
+                        deviceImport.triggered.connect(self.importbutton)       
+                        fileMenu.addAction(deviceImport)
                         self.combo.addItem(item, self.importbutton)
             except:
                 print("No devices active")