[BART] to each its own config + make BART compatible w/ Pipelines

cc @sshleifer

src/transformers/configuration_bart.py

@@ -22,10 +22,9 @@ from .configuration_utils import PretrainedConfig
 
 logger = logging.getLogger(__name__)
 
-_bart_large_url = "https://s3.amazonaws.com/models.huggingface.co/bert/facebook/bart-large/config.json"
 BART_PRETRAINED_CONFIG_ARCHIVE_MAP = {
-    "bart-large": _bart_large_url,
-    "bart-large-mnli": _bart_large_url,  # fine as same
+    "bart-large": "https://s3.amazonaws.com/models.huggingface.co/bert/facebook/bart-large/config.json",
+    "bart-large-mnli": "https://s3.amazonaws.com/models.huggingface.co/bert/facebook/bart-large-mnli/config.json",
     "bart-large-cnn": "https://s3.amazonaws.com/models.huggingface.co/bert/facebook/bart-large-cnn/config.json",
 }
 

src/transformers/pipelines.py

@@ -28,6 +28,7 @@ from typing import Dict, List, Optional, Tuple, Union
 import numpy as np
 
 from .configuration_auto import ALL_PRETRAINED_CONFIG_ARCHIVE_MAP, AutoConfig
+from .configuration_bart import BartConfig
 from .configuration_distilbert import DistilBertConfig
 from .configuration_roberta import RobertaConfig
 from .configuration_utils import PretrainedConfig
@@ -427,7 +428,7 @@ class Pipeline(_ScikitCompat):
         """
         args = ["input_ids", "attention_mask"]
 
-        if not isinstance(self.model.config, (DistilBertConfig, XLMConfig, RobertaConfig)):
+        if not isinstance(self.model.config, (DistilBertConfig, XLMConfig, RobertaConfig, BartConfig)):
             args += ["token_type_ids"]
 
         # PR #1548 (CLI) There is an issue with attention_mask