Index: Objects/bytesobject.c
===================================================================
--- Objects/bytesobject.c	(révision 66669)
+++ Objects/bytesobject.c	(copie de travail)
@@ -818,7 +818,7 @@
 
 	/* Make sure both arguments are strings. */
 	if (!(PyBytes_Check(a) && PyBytes_Check(b))) {
-		if (Py_BytesWarningFlag && (op == Py_EQ) &&
+		if (Py_BytesWarningFlag && (op == Py_EQ || op == Py_NE) &&
 		    (PyObject_IsInstance((PyObject*)a,
 					 (PyObject*)&PyUnicode_Type) ||
 		    PyObject_IsInstance((PyObject*)b,
Index: Objects/bytearrayobject.c
===================================================================
--- Objects/bytearrayobject.c	(révision 66669)
+++ Objects/bytearrayobject.c	(copie de travail)
@@ -939,7 +939,7 @@
        error, even if the comparison is for equality. */
     if (PyObject_IsInstance(self, (PyObject*)&PyUnicode_Type) ||
         PyObject_IsInstance(other, (PyObject*)&PyUnicode_Type)) {
-        if (Py_BytesWarningFlag && op == Py_EQ) {
+        if (Py_BytesWarningFlag && (op == Py_EQ || op == Py_NE)) {
             if (PyErr_WarnEx(PyExc_BytesWarning,
                             "Comparison between bytearray and string", 1))
                 return NULL;