Update app.py

app.py

@@ -70,7 +70,7 @@ for repo_id in repo_ids:
     config_path = hf_hub_download(repo_id, "config.json")
     hparams = HParams(**json.loads(Path(config_path).read_text()))
     speaker = list(hparams.spk.keys())
-    speakers.extend(speaker)
+    speakers.append(speaker)
     device = "cuda" if torch.cuda.is_available() else "cpu"
     model = Svc(net_g_path=generator_path, config_path=config_path, device=device, cluster_model_path=cluster_model_path)
     models.append(model)