use the bettertransformer pipeline

app.py

@@ -1,7 +1,7 @@
 import gradio as gr
-from transformers import pipeline
+from optimum.pipelines import pipeline
 
-pipeline = pipeline(task="translation", model="lgrobol/m2m100_418M_br_fr")
+pipeline = pipeline(task="translation", model="lgrobol/m2m100_418M_br_fr", accelerator="bettertransformer")
 
 def predict(texts):
   predictions = pipeline(texts.splitlines(), src_lang="br", tgt_lang="fr")