minor changes

app.py

@@ -5,13 +5,13 @@ os.system('python -m unidic download')
 # print("Make sure you've downloaded unidic (python -m unidic download) for this WebUI to work.")
 from melo.api import TTS
 import tempfile
-speaker_ids = model.hps.data.spk2id
 
 @spaces.GPU
 def synthesize(text, speed, progress=gr.Progress()):
     speed = 1.0
     device = 'cuda' if torch.cuda.is_available() else 'cpu'
     model=  TTS(language='EN', device=device),
+    speaker_ids = model.hps.data.spk2id
     speakers=['EN-US','EN-Default']
     bio = io.BytesIO()
     models[language].tts_to_file(text, model.hps.data.spk2id[speakers[0]], bio, speed=speed, pbar=progress.tqdm, format='wav')