deprecate forced/suppress tokens

examples/pytorch/speech-recognition/run_speech_recognition_seq2seq.py

@@ -119,17 +119,16 @@ class ModelArguments:
     )
     forced_decoder_ids: List[List[int]] = field(
         default=None,
-        metadata={
+        metadata={"help": "Deprecated. Please use the `language` and `task` arguments instead."},
+    )
+    suppress_tokens: List[int] = field(
+        default=None, metadata={
             "help": (
-                "A list of pairs of integers which indicates a mapping from generation indices to token indices "
-                "that will be forced before sampling. For example, [[0, 123]] means the first generated token "
-                "will always be a token of index 123."
+                "Deprecated. The use of `suppress_tokens` should not be required for the majority of fine-tuning examples."
+                "Should you need to use `suppress_tokens`, please manually update them in the fine-tuning script directly."
             )
         },
     )
-    suppress_tokens: List[int] = field(
-        default=None, metadata={"help": "A list of tokens that will be suppressed at generation."}
-    )
     apply_spec_augment: bool = field(
         default=False,
         metadata={
@@ -400,8 +399,6 @@ def main():
         trust_remote_code=model_args.trust_remote_code,
     )
 
-    config.update({"forced_decoder_ids": model_args.forced_decoder_ids, "suppress_tokens": model_args.suppress_tokens})
-
     # SpecAugment for whisper models
     if getattr(config, "model_type", None) == "whisper":
         config.update({"apply_spec_augment": model_args.apply_spec_augment})
@@ -455,9 +452,22 @@ def main():
             "only be set for multilingual checkpoints."
         )
 
-    if hasattr(model.generation_config, "forced_decoder_ids"):
-        # forced decoder ids are now handled entirely by the decoder input ids
-        model.generation_config.forced_decoder_ids = None
+    # TODO (Sanchit): deprecate these arguments in v4.40
+    if model_args.forced_decoder_ids is not None:
+        logger.warning(
+            "The use of `forced_decoder_ids` is deprecated and will be removed in v4.40."
+            "Please use the `language` and `task` arguments instead"
+        )
+        model.generation_config["forced_decoder_ids"] = model_args.forced_decoder_ids
+    else:
+        model.generation_config["forced_decoder_ids"] = None
+
+    if model_args.suppress_tokens is not None:
+        logger.warning(
+            "The use of `suppress_tokens` is deprecated and will be removed in v4.40."
+            "Should you need `suppress_tokens`, please manually set them in the fine-tuning script."
+        )
+        model.generation_config["suppress_tokens"] = model_args.suppress_tokens
 
     # 6. Resample speech dataset if necessary
     dataset_sampling_rate = next(iter(raw_datasets.values())).features[data_args.audio_column_name].sampling_rate