Update app.py

app.py

@@ -240,7 +240,7 @@ def chat(message, history):
     print(tool_call_results[0])
     print("###")
     
-    if tool_call_ids[0]:
+    if len(tool_call_ids) > 0:
         # https://platform.openai.com/docs/api-reference/runs/submitToolOutputs
         run = client.beta.threads.runs.submit_tool_outputs(
             thread_id=thread.id,
@@ -267,7 +267,7 @@ def chat(message, history):
         print(tool_call_results[1])
         print("###")
         
-        if tool_call_ids[1]:
+        if len(tool_call_ids) > 1:
             # https://platform.openai.com/docs/api-reference/runs/submitToolOutputs
             run = client.beta.threads.runs.submit_tool_outputs(
                 thread_id=thread.id,