fix that parameters'grad has grad var (#29440)

zhwesky2010 · web-flow · commit 492d43ef96ef · 2020-12-07T20:58:45.000+08:00
diff --git a/paddle/fluid/imperative/variable_wrapper.h b/paddle/fluid/imperative/variable_wrapper.h
@@ -81,7 +81,7 @@ class VariableWrapper {
   }
 
   bool IsLeafGrad() const {
-    if (!HasGradVar() && !HasGradNode() && !OverridedStopGradient()) {
+    if (!HasGradNode() && !OverridedStopGradient()) {
       return true;
     }
     return false;

Original file line number	Diff line number	Diff line change
`@@ -81,7 +81,7 @@ class VariableWrapper {`
`81`	`81`	`}`
`82`	`82`
`83`	`83`	`bool IsLeafGrad() const {`
`84`		`- if (!HasGradVar() && !HasGradNode() && !OverridedStopGradient()) {`
	`84`	`+ if (!HasGradNode() && !OverridedStopGradient()) {`
`85`	`85`	`return true;`
`86`	`86`	`}`
`87`	`87`	`return false;`