Use PyObject_GetAttr.

Author: nascheme

Include/internal/pycore_global_objects_fini_generated.h

@@ -238,6 +238,7 @@ struct _Py_global_strings {
         STRUCT_FOR_ID(_feature_version)
         STRUCT_FOR_ID(_field_types)
         STRUCT_FOR_ID(_fields_)
+        STRUCT_FOR_ID(_filters)
         STRUCT_FOR_ID(_finalizing)
         STRUCT_FOR_ID(_find_and_load)
         STRUCT_FOR_ID(_fix_up_module)

Include/internal/pycore_global_strings.h

@@ -288,7 +288,7 @@ get_warnings_context_filters(PyInterpreterState *interp)
         Py_DECREF(ctx);
         Py_RETURN_NONE;
     }
-    PyObject *context_filters = PyObject_GetAttrString(ctx, "_filters");
+    PyObject *context_filters = PyObject_GetAttr(ctx, &_Py_ID(_filters));
     Py_DECREF(ctx);
     if (context_filters == NULL) {
         return NULL;