[Flax Whisper] Update decode docstring (#23908)

src/transformers/models/whisper/modeling_flax_whisper.py

@@ -1017,16 +1017,17 @@ class FlaxWhisperPreTrainedModel(FlaxPreTrainedModel):
         ```python
         >>> from transformers import WhisperProcessor, FlaxWhisperForConditionalGeneration
         >>> from datasets import load_dataset
+        >>> import jax.numpy as jnp
 
         >>> processor = WhisperProcessor.from_pretrained("openai/whisper-tiny.en")
         >>> model = FlaxWhisperForConditionalGeneration.from_pretrained("openai/whisper-tiny.en", from_pt=True)
         >>> ds = load_dataset("hf-internal-testing/librispeech_asr_dummy", "clean", split="validation")
-        >>> inputs = processor(ds[0]["audio"]["array"], return_tensors="np")
-        >>> input_features = inputs.input_features
+        >>> input_features = processor(ds[0]["audio"]["array"], return_tensors="np").input_features
+
         >>> encoder_outputs = model.encode(input_features=input_features)
         >>> decoder_start_token_id = model.config.decoder_start_token_id
 
-        >>> decoder_input_ids = jnp.ones((inputs.input_ids.shape[0], 1), dtype="i4") * decoder_start_token_id
+        >>> decoder_input_ids = jnp.ones((input_features.shape[0], 1), dtype="i4") * decoder_start_token_id
 
         >>> outputs = model.decode(decoder_input_ids, encoder_outputs)
         >>> last_decoder_hidden_states = outputs.last_hidden_state