Add API for static strings, primarily good for identifiers.

Thanks to Konrad Schöbel and Jasper Schulz for helping with the mass-editing.

1 files changed, 3 insertions, 1 deletions

diff --git a/Modules/itertoolsmodule.c b/Modules/itertoolsmodule.c
index d0897c3eb9..4f81fe29d2 100644
--- a/Modules/itertoolsmodule.c
+++ b/Modules/itertoolsmodule.c
@@ -654,7 +654,9 @@ tee(PyObject *self, PyObject *args)
         copyable = it;
     PyTuple_SET_ITEM(result, 0, copyable);
     for (i=1 ; i<n ; i++) {
-        copyable = PyObject_CallMethod(copyable, "__copy__", NULL);
+        _Py_identifier(__copy__);
+
+        copyable = _PyObject_CallMethodId(copyable, &PyId___copy__, NULL);
         if (copyable == NULL) {
             Py_DECREF(result);
             return NULL;