Index: Objects/fileobject.c
===================================================================
--- Objects/fileobject.c	(révision 80345)
+++ Objects/fileobject.c	(copie de travail)
@@ -147,7 +147,13 @@
 	if (writer == NULL)
 		return -1;
 	if (flags & Py_PRINT_RAW) {
-		value = PyObject_Str(v);
+		if (PyUnicode_CheckExact(v)) {
+			/* don't call PyObject_Str() to avoid calling
+			 * PyErr_CheckSignals() */
+			Py_INCREF(v);
+			value = v;
+		} else
+			value = PyObject_Str(v);
 	}
 	else
 		value = PyObject_Repr(v);