Fix blenderbot conversion script (#16472)

src/transformers/models/blenderbot/convert_blenderbot_original_pytorch_checkpoint_to_pytorch.py

@@ -18,7 +18,7 @@ import argparse
 
 import torch
 
-from transformers import BartConfig, BartForConditionalGeneration
+from transformers import BlenderbotConfig, BlenderbotForConditionalGeneration
 from transformers.utils import logging
 
 
@@ -81,8 +81,8 @@ def convert_parlai_checkpoint(checkpoint_path, pytorch_dump_folder_path, config_
     """
     model = torch.load(checkpoint_path, map_location="cpu")
     sd = model["model"]
-    cfg = BartConfig.from_json_file(config_json_path)
-    m = BartForConditionalGeneration(cfg)
+    cfg = BlenderbotConfig.from_json_file(config_json_path)
+    m = BlenderbotForConditionalGeneration(cfg)
     valid_keys = m.model.state_dict().keys()
     failures = []
     mapping = {}