Index: Objects/stringobject.c
===================================================================
--- Objects/stringobject.c	(révision 65930)
+++ Objects/stringobject.c	(copie de travail)
@@ -812,6 +812,10 @@
 	if (flags & Py_PRINT_RAW) {
 		char *data = op->ob_sval;
 		Py_ssize_t size = Py_SIZE(op);
+#if defined(Py_DEBUG)
+		PyGILState_STATE gil;
+		gil = PyGILState_Ensure();
+#endif
 		Py_BEGIN_ALLOW_THREADS
 		while (size > INT_MAX) {
 			/* Very long strings cannot be written atomically.
@@ -829,6 +833,9 @@
                 fwrite(data, 1, (int)size, fp);
 #endif
 		Py_END_ALLOW_THREADS
+#if defined(Py_DEBUG)
+		PyGILState_Release(gil);
+#endif
 		return 0;
 	}