diff -up ./python2/httplib2/__init__.py.orig ./python2/httplib2/__init__.py
--- ./python2/httplib2/__init__.py.orig	2012-02-24 14:07:01.232200397 +1000
+++ ./python2/httplib2/__init__.py	2012-02-24 14:13:51.290447860 +1000
@@ -177,8 +177,10 @@ class CertificateHostnameMismatch(SSLHan
 DEFAULT_MAX_REDIRECTS = 5
 
 # Default CA certificates file bundled with httplib2.
-CA_CERTS = os.path.join(
-        os.path.dirname(os.path.abspath(__file__ )), "cacerts.txt")
+#CA_CERTS = os.path.join(
+#        os.path.dirname(os.path.abspath(__file__ )), "cacerts.txt")
+# We use fedora ca bundle file instead, to preserve backward compability.
+CA_CERTS = "/etc/ssl/certs/ca-bundle.crt"
 
 # Which headers are hop-by-hop headers by default
 HOP_BY_HOP = ['connection', 'keep-alive', 'proxy-authenticate', 'proxy-authorization', 'te', 'trailers', 'transfer-encoding', 'upgrade']