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import gradio as gr
from transformers import MBartForConditionalGeneration, MBart50TokenizerFast
model = MBartForConditionalGeneration.from_pretrained("SnypzZz/Llama2-13b-Language-translate")
tokenizer = MBart50TokenizerFast.from_pretrained("SnypzZz/Llama2-13b-Language-translate", src_lang="en_XX")

dropdown = gr.Dropdown(["de_DE", "es_XX"], label="Choose Output Language")

def d(input):
    model_inputs = tokenizer(input, return_tensors="pt")
    generated_tokens = model.generate(
        **model_inputs,
        forced_bos_token_id=tokenizer.lang_code_to_id[gr.Dropdown.value]
    )
    output_DE = tokenizer.batch_decode(generated_tokens, skip_special_tokens=True)[0]
    output_DE = output_DE.strip("[]' ") 
    return output_DE

iface = gr.Interface(fn=d, inputs=["textbox", dropdown], outputs="textbox")
iface.launch()