fix %x string format to compatible with Python 3.5

diff --git a/doc/build/core/custom_types.rst b/doc/build/core/custom_types.rst
index 22dd52050ae2574f026a0827d89b9a7c0c278a9c..f3a3b2bd0e40c642c3c64cd176ba05cf070caaea 100644 (file)
--- a/doc/build/core/custom_types.rst
+++ b/doc/build/core/custom_types.rst
@@ -156,7 +156,7 @@ binary in CHAR(16) if desired::
                     return "%.32x" % uuid.UUID(value).int
                 else:
                     # hexstring
-                    return "%.32x" % value
+                    return "%.32x" % value.int
 
         def process_result_value(self, value, dialect):
             if value is None: