'str.__str__' should always return an object with builtin class 'str'.

fangerer · fangerer · commit 5d3797ea810f · 2018-09-14T17:21:13.000+02:00
diff --git a/graalpython/com.oracle.graal.python/src/com/oracle/graal/python/builtins/objects/str/StringBuiltins.java b/graalpython/com.oracle.graal.python/src/com/oracle/graal/python/builtins/objects/str/StringBuiltins.java
@@ -111,7 +111,7 @@ protected List<com.oracle.truffle.api.dsl.NodeFactory<? extends PythonBuiltinBas
     public abstract static class StrNode extends PythonUnaryBuiltinNode {
         @Specialization
         public Object str(PString self) {
-            return self;
+            return self.getValue();
         }
 
         @Specialization

Original file line number	Diff line number	Diff line change
`@@ -111,7 +111,7 @@ protected List<com.oracle.truffle.api.dsl.NodeFactory<? extends PythonBuiltinBas`
`111`	`111`	`public abstract static class StrNode extends PythonUnaryBuiltinNode {`
`112`	`112`	`@Specialization`
`113`	`113`	`public Object str(PString self) {`
`114`		`- return self;`
	`114`	`+ return self.getValue();`
`115`	`115`	`}`
`116`	`116`
`117`	`117`	`@Specialization`