Update app.py

app.py

@@ -65,7 +65,7 @@ with app:
             若**只看见橙色**，说明蓝色曲线被覆盖，转换效果较好
             
             """)
-            speaker_id = gr.Dropdown(label="音色", choices=[spk_dict.keys()], value=[spk_dict.values()])
+            speaker_id = gr.Dropdown(label="音色", choices=list(spk_dict.keys()), value=list(spk_dict.values()))
             record_input = gr.Audio(source="microphone", label="录制你的声音", type="filepath", elem_id="audio_inputs")
             upload_input = gr.Audio(source="upload", label="上传音频（长度小于45秒）", type="filepath",
                                     elem_id="audio_inputs")