fixed serpapi bug

app.py

@@ -111,6 +111,11 @@ def search_web(query: str, serpapi_key: str) -> str:
         logger.error("Unexpected error during search: %s", str(e))
         return None
 
+def create_search_web_with_key(serpapi_key: str):
+    def search_web_with_key(query: str) -> str:
+        return search_web(query, serpapi_key)
+    return search_web_with_key
+
 # Custom renderer for slides - Markdown to HTML
 def render_md_to_html(md_content: str) -> str:
     try:
@@ -406,6 +411,8 @@ def get_gradio_file_url(local_path):
 
 # Async generate lecture materials and audio
 async def on_generate(api_service, api_key, serpapi_key, title, lecture_content_description, lecture_type, lecture_style, speaker_audio, num_slides):
+    print(f"Received serpapi_key: '{serpapi_key}' (type: {type(serpapi_key)}, length: {len(serpapi_key) if serpapi_key else 0})")
+
     model_client = get_model_client(api_service, api_key)
     
     # Get the speaker from the speaker_audio path
@@ -440,7 +447,7 @@ async def on_generate(api_service, api_key, serpapi_key, title, lecture_content_
         model_client=model_client,
         handoffs=["slide_agent"],
         system_message="You are a Research Agent. Use the search_web tool to gather information on the topic and keywords from the initial message. Summarize the findings concisely in a single message, then use the handoff_to_slide_agent tool to pass the task to the Slide Agent. Do not produce any other output.",
-        tools=[search_web]
+        tools=[create_search_web_with_key(serpapi_key)]
     )
     slide_agent = AssistantAgent(
         name="slide_agent",