format requires names fields in python2.6

diff --git a/twitter/oauth2.py b/twitter/oauth2.py
index c50274701ef466905290af83e2960821510e05bb..6c69c2b59cbdd648a0389a9508e6bc20dff3cfd1 100644 (file)
--- a/twitter/oauth2.py
+++ b/twitter/oauth2.py
@@ -81,8 +81,8 @@ class OAuth2(Auth):
             headers = {
                 b'Content-Type': (b'application/x-www-form-urlencoded;'
                                   b'charset=UTF-8'),
-                b'Authorization': 'Basic {}'.format(
-                    b64encode('{}:{}'.format(
+                b'Authorization': 'Basic {0}'.format(
+                    b64encode('{0}:{1}'.format(
                         quote(self.consumer_key),
                         quote(self.consumer_secret)).encode('utf8')
                     ).decode('utf8')