1 files changed, 5 insertions, 5 deletions

diff --git a/bitbake/lib/bb/persist_data.py b/bitbake/lib/bb/persist_data.py
index e45042324e..403f3a541e 100644
--- a/bitbake/lib/bb/persist_data.py
+++ b/bitbake/lib/bb/persist_data.py
@@ -92,9 +92,9 @@ class SQLTable(collections.MutableMapping):
         self._execute("DELETE from %s where key=?;" % self.table, [key])
 
     def __setitem__(self, key, value):
-        if not isinstance(key, basestring):
+        if not isinstance(key, str):
             raise TypeError('Only string keys are supported')
-        elif not isinstance(value, basestring):
+        elif not isinstance(value, str):
             raise TypeError('Only string values are supported')
 
         data = self._execute("SELECT * from %s where key=?;" %
@@ -131,14 +131,14 @@ class SQLTable(collections.MutableMapping):
         return [row[1] for row in data]
 
     def values(self):
-        return list(self.itervalues())
+        return list(self.values())
 
     def itervalues(self):
         data = self._execute("SELECT value FROM %s;" % self.table)
         return (row[0] for row in data)
 
     def items(self):
-        return list(self.iteritems())
+        return list(self.items())
 
     def iteritems(self):
         return self._execute("SELECT * FROM %s;" % self.table)
@@ -178,7 +178,7 @@ class PersistData(object):
         """
         Return a list of key + value pairs for a domain
         """
-        return self.data[domain].items()
+        return list(self.data[domain].items())
 
     def getValue(self, domain, key):
         """