Fix "pylint fixes" wrt dir_path

qubes/vm/qubesvm.py

@@ -229,11 +229,6 @@ class QubesVM(qubes.vm.mix.net.NetVMMixin, qubes.vm.BaseVM):
         default='default',
         doc='storage pool for this qube devices')
 
-    dir_path = property('dir_path',
-        (lambda self: os.path.join(qubes.config.system_path['qubes_base_dir'],
-            self.dir_path_prefix, self.name)),
-        doc='Root directory for files related to this domain')
-
     # XXX swallowed uses_default_kernel
     # XXX not applicable to HVM?
     kernel = qubes.property('kernel', type=str,
@@ -405,6 +400,14 @@ class QubesVM(qubes.vm.mix.net.NetVMMixin, qubes.vm.BaseVM):
         return not hasattr(self, 'template')
 
 
+    @property
+    def dir_path(self):
+        '''Root directory for files related to this domain'''
+        return os.path.join(
+            qubes.config.system_path['qubes_base_dir'],
+            self.dir_path_prefix,
+            self.name)
+
     @property
     def icon_path(self):
         return os.path.join(self.dir_path, 'icon.png')