fix: updated agent code and requirements

app.py

@@ -18,7 +18,7 @@ class BasicAgent:
     def __init__(self):
         print("BasicAgent initialized.")
         llm = HuggingFaceLLM(model_name="Qwen/Qwen2.5-Coder-32B-Instruct")
-        agent = AgentWorkflow.from_tools_or_functions([
+        self.agent = AgentWorkflow.from_tools_or_functions([
             tools.wiki_tool,
             tools.ddgo_tool
             ],
@@ -28,7 +28,7 @@ class BasicAgent:
 
     def __call__(self, question: str) -> str:
         print(f"Agent received question (first 50 chars): {question[:50]}...")
-        fixed_answer = "This is a default answer."
+        fixed_answer = self.agent.run(question)
         print(f"Agent returning fixed answer: {fixed_answer}")
         return fixed_answer
 

requirements.txt

@@ -1,5 +1,8 @@
 gradio
+pandas
+torch
 requests
+transformers
 llama-index
 llama-index-tools-wikipedia
 llama-index-llms-litellm