Revert "Add FlaxWhisperForAudioClassification model" (huggingface#23154)

Revert "Add FlaxWhisperForAudioClassification model (huggingface#22883)"

This reverts commit c8f2c5c.

docs/source/en/model_doc/whisper.mdx

@@ -105,9 +105,3 @@ The original code can be found [here](https://github.com/openai/whisper).
 
 [[autodoc]] FlaxWhisperForConditionalGeneration
     - __call__
-
-## FlaxWhisperForAudioClassification
-
-[[autodoc]] FlaxWhisperForAudioClassification
-    - __call__
-

src/transformers/__init__.py

@@ -3793,7 +3793,6 @@
             "FlaxWhisperForConditionalGeneration",
             "FlaxWhisperModel",
             "FlaxWhisperPreTrainedModel",
-            "FlaxWhisperForAudioClassification",
         ]
     )
     _import_structure["models.xglm"].extend(
@@ -6930,12 +6929,7 @@
             FlaxWav2Vec2Model,
             FlaxWav2Vec2PreTrainedModel,
         )
-        from .models.whisper import (
-            FlaxWhisperForAudioClassification,
-            FlaxWhisperForConditionalGeneration,
-            FlaxWhisperModel,
-            FlaxWhisperPreTrainedModel,
-        )
+        from .models.whisper import FlaxWhisperForConditionalGeneration, FlaxWhisperModel, FlaxWhisperPreTrainedModel
         from .models.xglm import FlaxXGLMForCausalLM, FlaxXGLMModel, FlaxXGLMPreTrainedModel
         from .models.xlm_roberta import (
             FLAX_XLM_ROBERTA_PRETRAINED_MODEL_ARCHIVE_LIST,

src/transformers/models/auto/modeling_flax_auto.py

@@ -229,11 +229,6 @@
     ]
 )
 
-FLAX_MODEL_FOR_AUDIO_CLASSIFICATION_MAPPING_NAMES = OrderedDict(
-    [
-        ("whisper", "FlaxWhisperForAudioClassification"),
-    ]
-)
 
 FLAX_MODEL_MAPPING = _LazyAutoMapping(CONFIG_MAPPING_NAMES, FLAX_MODEL_MAPPING_NAMES)
 FLAX_MODEL_FOR_PRETRAINING_MAPPING = _LazyAutoMapping(CONFIG_MAPPING_NAMES, FLAX_MODEL_FOR_PRETRAINING_MAPPING_NAMES)

src/transformers/models/whisper/__init__.py

@@ -75,7 +75,6 @@
         "FlaxWhisperForConditionalGeneration",
         "FlaxWhisperModel",
         "FlaxWhisperPreTrainedModel",
-        "FlaxWhisperForAudioClassification",
     ]
 
 
@@ -127,7 +126,6 @@
         pass
     else:
         from .modeling_flax_whisper import (
-            FlaxWhisperForAudioClassification,
             FlaxWhisperForConditionalGeneration,
             FlaxWhisperModel,
             FlaxWhisperPreTrainedModel,

src/transformers/models/whisper/modeling_flax_whisper.py

@@ -36,7 +36,6 @@
     FlaxCausalLMOutputWithCrossAttentions,
     FlaxSeq2SeqLMOutput,
     FlaxSeq2SeqModelOutput,
-    FlaxSequenceClassifierOutput,
 )
 from ...modeling_flax_utils import (
     ACT2FN,
@@ -1507,162 +1506,3 @@ def update_inputs_for_generation(self, model_outputs, model_kwargs):
 append_replace_return_docstrings(
     FlaxWhisperForConditionalGeneration, output_type=FlaxSeq2SeqLMOutput, config_class=_CONFIG_FOR_DOC
 )
-
-
-class FlaxWhisperForAudioClassificationModule(nn.Module):
-    config: WhisperConfig
-    dtype: jnp.dtype = jnp.float32
-
-    def setup(self) -> None:
-        self.encoder = FlaxWhisperEncoder(config=self.config, dtype=self.dtype)
-        self.config.is_encoder_decoder = False
-        num_layers = self.config.num_hidden_layers + 1
-        if self.config.use_weighted_layer_sum:
-            self.layer_weights = jnp.repeat(1 / num_layers, num_layers)
-        self.projector = nn.Dense(self.config.classifier_proj_size, dtype=self.dtype)
-        self.classifier = nn.Dense(self.config.num_labels, dtype=self.dtype)
-
-    def __call__(
-        self,
-        input_features,
-        encoder_outputs=None,
-        output_attentions=None,
-        output_hidden_states: bool = True,
-        return_dict: bool = True,
-    ):
-        output_attentions = output_attentions if output_attentions is not None else self.config.output_attentions
-        output_hidden_states = (
-            output_hidden_states if output_hidden_states is not None else self.config.output_hidden_states
-        )
-        return_dict = return_dict if return_dict is not None else self.config.use_return_dict
-
-        if encoder_outputs is None:
-            encoder_outputs = self.encoder(
-                input_features,
-                output_attentions=output_attentions,
-                output_hidden_states=output_hidden_states,
-                return_dict=return_dict,
-            )
-
-        if self.config.use_weighted_layer_sum:
-            hidden_states = jnp.stack(encoder_outputs, axis=1)
-            norm_weights = jax.nn.softmax(self.layer_weights, axis=-1)
-            hidden_states = jnp.sum(hidden_states * jnp.reshape(norm_weights, [-1, 1, 1]), axis=1)
-        else:
-            hidden_states = encoder_outputs[0]
-
-        hidden_states = self.projector(hidden_states)
-        pooled_output = jnp.mean(hidden_states, axis=1)
-
-        logits = self.classifier(pooled_output)
-
-        if not return_dict:
-            return (logits,) + encoder_outputs[1:]
-
-        return FlaxSequenceClassifierOutput(
-            logits=logits,
-            hidden_states=encoder_outputs.hidden_states,
-            attentions=encoder_outputs.attentions,
-        )
-
-
-@add_start_docstrings("The Whisper Model with an audio classification head on top.", WHISPER_START_DOCSTRING)
-class FlaxWhisperForAudioClassification(FlaxWhisperPreTrainedModel):
-    module_class = FlaxWhisperForAudioClassificationModule
-    dtype: jnp.dtype = jnp.float32
-
-    def init_weights(self, rng: jax.random.PRNGKey, input_shape: Tuple, params: FrozenDict = None) -> FrozenDict:
-        # init input tensors
-        input_features = jnp.zeros(input_shape, dtype="f4")
-        input_features = input_features.at[(..., -1)].set(self.config.eos_token_id)
-
-        params_rng, dropout_rng = jax.random.split(rng)
-        rngs = {"params": params_rng, "dropout": dropout_rng}
-
-        random_params = self.module.init(
-            rngs,
-            input_features=input_features,
-        )["params"]
-
-        if params is not None:
-            random_params = flatten_dict(unfreeze(random_params))
-            params = flatten_dict(unfreeze(params))
-            for missing_key in self._missing_keys:
-                params[missing_key] = random_params[missing_key]
-            self._missing_keys = set()
-            return freeze(unflatten_dict(params))
-        else:
-            return random_params
-
-    @add_start_docstrings_to_model_forward(WHISPER_INPUTS_DOCSTRING)
-    def __call__(
-        self,
-        input_features: jnp.ndarray,
-        attention_mask: Optional[jnp.ndarray] = None,
-        output_attentions: Optional[bool] = None,
-        output_hidden_states: Optional[bool] = None,
-        return_dict: Optional[bool] = None,
-        train: bool = False,
-        params: dict = None,
-        dropout_rng: PRNGKey = None,
-        **kwargs,
-    ):
-        output_attentions = output_attentions if output_attentions is not None else self.config.output_attentions
-        output_hidden_states = (
-            output_hidden_states if output_hidden_states is not None else self.config.output_hidden_states
-        )
-        return_dict = return_dict if return_dict is not None else self.config.return_dict
-
-        # Handle any PRNG if needed
-        rngs = {}
-        if dropout_rng is not None:
-            rngs["dropout"] = dropout_rng
-
-        return self.module.apply(
-            {"params": params or self.params},
-            input_features=jnp.array(input_features, dtype="f4"),
-            output_attentions=output_attentions,
-            output_hidden_states=output_hidden_states,
-            return_dict=return_dict,
-            rngs=rngs,
-        )
-
-
-FLAX_WHISPER_AUDIO_CLASSIFICATION_DOCSTRING = r"""
-    Returns:
-
-    Transcription example:
-
-    ```python
-    >>> import jax.numpy as jnp
-    >>> from transformers import AutoFeatureExtractor, FlaxWhisperForAudioClassification
-    >>> from datasets import load_dataset
-
-    >>> feature_extractor = AutoFeatureExtractor.from_pretrained("sanchit-gandhi/whisper-medium-fleurs-lang-id")
-    >>> model = FlaxWhisperForAudioClassification.from_pretrained(
-    ...     "sanchit-gandhi/whisper-medium-fleurs-lang-id", from_pt=True
-    ... )
-    >>> ds = load_dataset("google/fleurs", "all", split="validation", streaming=True)
-
-    >>> sample = next(iter(ds))
-
-    >>> inputs = feature_extractor(
-    ...     sample["audio"]["array"], sampling_rate=sample["audio"]["sampling_rate"], return_tensors="np"
-    ... )
-    >>> input_features = inputs.input_features
-
-    >>> logits = model(input_features).logits
-
-    >>> predicted_class_ids = jnp.argmax(logits).item()
-    >>> predicted_label = model.config.id2label[predicted_class_ids]
-    >>> predicted_label
-    'af_za'
-    ```
-"""
-
-overwrite_call_docstring(
-    FlaxWhisperForAudioClassification, WHISPER_INPUTS_DOCSTRING + FLAX_WHISPER_AUDIO_CLASSIFICATION_DOCSTRING
-)
-append_replace_return_docstrings(
-    FlaxWhisperForAudioClassification, output_type=FlaxSequenceClassifierOutput, config_class=_CONFIG_FOR_DOC
-)

src/transformers/utils/dummy_flax_objects.py

@@ -1182,13 +1182,6 @@ def __init__(self, *args, **kwargs):
         requires_backends(self, ["flax"])
 
 
-class FlaxWhisperForAudioClassification(metaclass=DummyObject):
-    _backends = ["flax"]
-
-    def __init__(self, *args, **kwargs):
-        requires_backends(self, ["flax"])
-
-
 class FlaxWhisperForConditionalGeneration(metaclass=DummyObject):
     _backends = ["flax"]