bpo-30061: Check if PyObject_Size()/PySequence_Size()/PyMapping_Size() (#1096)

raised an error.

Replace them with using concrete types API that never fails if appropriate.

1 files changed, 3 insertions, 9 deletions

diff --git a/Objects/namespaceobject.c b/Objects/namespaceobject.c
index 0bb30638445..6deca961a4f 100644
--- a/Objects/namespaceobject.c
+++ b/Objects/namespaceobject.c
@@ -40,15 +40,9 @@ namespace_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
 static int
 namespace_init(_PyNamespaceObject *ns, PyObject *args, PyObject *kwds)
 {
-    // ignore args if it's NULL or empty
-    if (args != NULL) {
-        Py_ssize_t argcount = PyObject_Size(args);
-        if (argcount < 0)
-            return -1;
-        else if (argcount > 0) {
-            PyErr_Format(PyExc_TypeError, "no positional arguments expected");
-            return -1;
-        }
+    if (PyTuple_GET_SIZE(args) != 0) {
+        PyErr_Format(PyExc_TypeError, "no positional arguments expected");
+        return -1;
     }
     if (kwds == NULL)
         return 0;