diff --git a/interface/ri_data.py b/interface/ri_data.py
index eab7177..3ce1626 100644
--- a/interface/ri_data.py
+++ b/interface/ri_data.py
@@ -81,8 +81,8 @@ class Partition:
 
         l = [ s.split()[-1] for s in o.splitlines() if re.match(r'\s*\d+', s)]
         # devices : 1) sda, sdb(first if ), or md0 (second if)
-        for d in [ i for i in l if not re.search(r'\d+', i)
-                       or re.search(r'([a-zA-Z]+)', i).group(1) not in l]
+        for d in [ i for i in l if not re.search(r'\d+', i)\
+                or re.search(r'([a-zA-Z]+)', i).group(1) not in l]:
             st,o=commands.getstatusoutput('parted /dev/%s unit %s print'%(d,Partition.unit))
             if st:
                 print "Error parted execute error" 
@@ -306,7 +306,7 @@ p_node - xml node (parent node) '''
     def dev_in_raid():
         """if the device in raid or not"""
         devices_in_raid=set()
-        for r in Raid.list:
+        for r in Raid.dict.values():
             devices_in_raid.update(r.active_components)
             devices_in_raid.update(r.spare_components)
         return devices_in_raid
@@ -339,7 +339,7 @@ class MountPoint:
             MountPoint(dev, fs=Partition.dict[dev].filesystem)
 
         for dev in Raid.dict.keys():
-            if MountPoint.dict.has_key(dev)
+            if MountPoint.dict.has_key(dev):
                 continue
             MountPoint(dev)