Issue #27809: _csv: _call_dialect() uses fast call
diff --git a/Modules/_csv.c b/Modules/_csv.c
index ef2e7d7..7a78541 100644
--- a/Modules/_csv.c
+++ b/Modules/_csv.c
@@ -518,15 +518,13 @@
static PyObject *
_call_dialect(PyObject *dialect_inst, PyObject *kwargs)
{
- PyObject *ctor_args;
- PyObject *dialect;
-
- ctor_args = Py_BuildValue(dialect_inst ? "(O)" : "()", dialect_inst);
- if (ctor_args == NULL)
- return NULL;
- dialect = PyObject_Call((PyObject *)&Dialect_Type, ctor_args, kwargs);
- Py_DECREF(ctor_args);
- return dialect;
+ PyObject *type = (PyObject *)&Dialect_Type;
+ if (dialect_inst) {
+ return _PyObject_FastCallDict(type, &dialect_inst, 1, kwargs);
+ }
+ else {
+ return _PyObject_FastCallDict(type, NULL, 0, kwargs);
+ }
}
/*