Update app.py

app.py

@@ -174,6 +174,6 @@ sr_demo = gr.Interface(
 )
 
 with demo:
-    gr.TabbedInterface([se_demo, ss_demo, sr_demo, tse_demo], ["Task 1: Speech Enhancement", "Task 2: Speech Separation", "Task 3: Speech Super Resolution"， "Task 4: Audio-Visual Speaker Extraction"])
+    gr.TabbedInterface([se_demo, ss_demo, sr_demo, tse_demo], ["Task 1: Speech Enhancement", "Task 2: Speech Separation", "Task 3: Speech Super Resolution", "Task 4: Audio-Visual Speaker Extraction"])
 
 demo.launch()