cache: use new style classes

(Bitbake rev: e084430446be2544dd1a6b627088f888c37cc7f0)

Signed-off-by: Chris Larson <chris_larson@mentor.com>
Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>

bitbake/lib/bb/cache.py

@@ -45,7 +45,8 @@ except ImportError:
 
 __cache_version__ = "132"
 
-class Cache:
+
+class Cache(object):
     """
     BitBake Cache implementation
     """
@@ -502,11 +503,7 @@ def init(cooker):
     return Cache(cooker.configuration.data)
 
 
-
-#============================================================================#
-# CacheData
-#============================================================================#
-class CacheData:
+class CacheData(object):
     """
     The data structures we compile from the cached data
     """