Исправлен список устройств для установки mbr

pym/install/variables/disk.py

@@ -2081,11 +2081,10 @@ class VariableOsInstallMbr(LocationHelper, Variable):
         return sorted(set(bootdevices))
 
     def choice(self):
-        deviceParentMap = dict(self.ZipVars('os_device_dev', 'os_device_name'))
-        return map(lambda x: (x, "%s (%s)" % (x,
-                                              deviceParentMap.get(x, _(
-                                                  "Unknown")))),
-                   self.Get('os_device_dev'))
+        deviceParentMap = self.ZipVars('os_device_mbr', 'os_device_name')
+        return [(mbrdisk, name or _("Unknown"))
+                for mbrdisk, name in deviceParentMap
+                if mbrdisk]
 
     def set(self, value):
         # support off value