Merge pull request #8800 from JiayiFeng/fix_a_bug_in_backward

fix a bug in backward
8 years ago · f2cf2a7afc
parent c43995ed36 55e11e21cb
commit f2cf2a7afc
1 changed files with 1 additions and 1 deletions
--- a/python/paddle/fluid/backward.py
+++ b/python/paddle/fluid/backward.py
@ -486,7 +486,7 @@ def append_backward(loss, parameter_list=None, no_grad_set=None,
    params_and_grads = []
    for param in parameters:
        if param not in grad_info_map:
-            raise ValueError("param %s is not in map" % param)
+            continue
        grad_info = grad_info_map[param]
        grad_block = grad_info[1]
        if not grad_block.has_var(grad_info[0]):