Update app.py

app.py

@@ -302,7 +302,11 @@ def start_warmup():
             LLM_options = LLM_options[:opt_count] + LLM_options[(opt_count + 1) :]
             if opt == LLM_name:
                 LLM_name = LLM_options[0]
+    remove=0
     for opt_count in range(len(TTS_options)):
+        opt_count-=remove
+        if opt_count>=len(TTS_options):
+            break
         opt = TTS_options[opt_count]
         try:
             for _ in dialogue_model.handle_TTS_selection(opt):
@@ -310,6 +314,7 @@ def start_warmup():
         except Exception:
             print("Removing " + opt + " from TTS options since it cannot be loaded.")
             TTS_options = TTS_options[:opt_count] + TTS_options[(opt_count + 1) :]
+            remove+=1
             if opt == TTS_name:
                 TTS_name = TTS_options[0]
     dialogue_model.handle_E2E_selection()