give the output value to keep consistant with document test=develop (#16740)

6 years ago · 0114f1d65a
parent d966faae95
commit 0114f1d65a
1 changed files with 1 additions and 0 deletions
--- a/python/paddle/fluid/layers/control_flow.py
+++ b/python/paddle/fluid/layers/control_flow.py
@ -189,6 +189,7 @@ def Print(input,
            'print_tensor_lod': print_tensor_lod,
            'print_phase': print_phase.upper()
        })
+    return input


 class BlockGuard(object):