add ckpt attr to pserver python config

python/paddle/fluid/transpiler/distribute_transpiler.py

@@ -481,7 +481,8 @@ class DistributeTranspiler:
                 "Fanin": self.trainer_num,
                 "PrefetchBlock": prefetch_block,
                 "sync_mode": self.sync_mode,
-                "grad_to_block_id": grad_to_block_id
+                "grad_to_block_id": grad_to_block_id,
+                "Checkpoint": "/tmp/tangwei_ckpt/"
             })
 
         pserver_program.sync_with_cpp()