Update check_completion.py

Author: DesmonDay

paddlenlp/trainer/unified_checkpoint/check_completion.py

@@ -186,7 +186,7 @@ def check_dynamic_load(args, weight_map, existed_files, is_master_weights=False,
             state_dict = get_expected_state_dict(model)
 
             for key in state_dict.keys():
-                if model._keys_to_ignore_on_load_massing is not None and key in model._keys_to_ignore_on_load_missing:
+                if model._keys_to_ignore_on_load_missing is not None and key in model._keys_to_ignore_on_load_missing:
                     continue
                 if sharding_group.nranks > 1:
                     static_name = struct2static_name_mappings.get(key, None)