Update app.py

app.py

@@ -139,8 +139,11 @@ def generate(
         yield output    
     return output
 
-    generate_voice(output, voice_id, passwordInput)
-
+    if passwordInput != None:
+        print("Using TTS!")
+        generate_voice(output, voice_id, passwordInput)
+    else:
+        print("Not using TTS!")
 
 passwordInput = gr.Textbox(label="TTS Password", type="password")
 mychatbot = gr.Chatbot(avatar_images=["./user.png", "./stella.jpg"], bubble_full_width=False, show_label=False, show_copy_button=True, likeable=True)