attributeerror: 'distributeddataparallel' object has no attribute 'dtype'. did you mean: 'type'?

### Describe the bug

attributeerror: 'distributeddataparallel' object has no attribute 'dtype'. did you mean: 'type'?

### Reproduction

export MODEL_NAME="black-forest-labs/FLUX.1-dev"
export OUTPUT_DIR="trained-flux-dev-dreambooth-lora"

accelerate launch train_dreambooth_lora_flux.py \
--pretrained_model_name_or_path=$MODEL_NAME \
--instance_data_dir=$INSTANCE_DIR \
--output_dir=$OUTPUT_DIR \
--mixed_precision="bf16" \
--train_text_encoder\
--instance_prompt="a photo of sks dog" \
--resolution=512 \
--train_batch_size=1 \
--guidance_scale=1 \
--gradient_accumulation_steps=4 \
--optimizer="prodigy" \
--learning_rate=1. \
--report_to="wandb" \
--lr_scheduler="constant" \
--lr_warmup_steps=0 \
--max_train_steps=500 \
--validation_prompt="A photo of sks dog in a bucket" \
--seed="0" \
--push_to_hub

### Logs

```shell

```

### System Info

- 🤗 Diffusers version: 0.33.0
- Platform: Linux-5.15.0-78-generic-x86_64-with-glibc2.35
- Running on Google Colab?: No
- Python version: 3.10.12
- PyTorch version (GPU?): 2.4.0+cu121 (True)
- Flax version (CPU?/GPU?/TPU?): not installed (NA)
- Jax version: not installed
- JaxLib version: not installed
- Huggingface_hub version: 0.30.2
- Transformers version: 4.44.1
- Accelerate version: 0.32.1
- PEFT version: 0.15.2
- Bitsandbytes version: not installed
- Safetensors version: 0.4.2
- xFormers version: 0.0.27.post2

### Who can help?

_No response_