fix MMS generation

app.py

@@ -23,7 +23,7 @@ def translate(audio):
 
 def synthesise(text):
     inputs = tokenizer(text=text, return_tensors="pt")
-    speech_output = model.generate_speech(inputs["input_ids"].to(device))
+    speech_output = model(inputs["input_ids"].to(device))
     speech = speech_output.audio[0]
     return speech.cpu()