diff -r 31342913fb1e Objects/object.c
--- a/Objects/object.c	Thu Feb 09 02:01:37 2017 +0100
+++ b/Objects/object.c	Thu Feb 09 16:46:47 2017 +0900
@@ -785,7 +785,7 @@ PyObject_GetAttrString(PyObject *v, cons
 
     if (Py_TYPE(v)->tp_getattr != NULL)
         return (*Py_TYPE(v)->tp_getattr)(v, (char*)name);
-    w = PyUnicode_InternFromString(name);
+    w = PyUnicode_FromString(name);
     if (w == NULL)
         return NULL;
     res = PyObject_GetAttr(v, w);