Update the error message for retain_grad (pytorch#47084)

Summary: Fixes pytorch#46588 Pull Request resolved: pytorch#47084 Reviewed By: albanD Differential Revision: D24632403 Pulled By: iramazanli fbshipit-source-id: 8dfd50fcbb6ef585ea4f903e3755b5a807312235
sharpsy · Nov 7, 2020 · e09ec8e · e09ec8e
1 parent 7af9752
commit e09ec8e
Show file tree

Hide file tree

Showing 2 changed files with 1 addition and 1 deletion.
diff --git a/.nojekyll b/.nojekyll
diff --git a/torch/csrc/autograd/saved_variable.cpp b/torch/csrc/autograd/saved_variable.cpp
@@ -106,6 +106,6 @@ Variable SavedVariable::unpack(std::shared_ptr<Node> saved_for) const {
 const char* ERR_BACKWARD_TWICE =
     "Trying to backward through the graph a second time, but the saved intermediate "
     "results have already been freed. Specify retain_graph=True when calling "
-    "backward the first time.";
+    ".backward() or autograd.grad() the first time.";
 
 }} // namespace torch::autograd