removed tokens

agent.py

@@ -6,14 +6,12 @@ from langchain_huggingface import HuggingFaceEndpoint
 
 llm = HuggingFaceEndpoint(
     repo_id="microsoft/DialoGPT-small",
-    huggingfacehub_api_token='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',
+    huggingfacehub_api_token=os.environ["HUGGINGFACEHUB_API_TOKEN"],
     task="text-generation",
     temperature=0.7
 )
 # Optional: Use web search tool
-# search = SerpAPIWrapper(api_key=os.environ["SERPAPI_API_KEY"])
-search = SerpAPIWrapper(serpapi_api_key="308082f0c98a96a1b8dac63242122d5df8a96b65678b17cee9e8462c857ec5c8")
-#   # Requires SERPAPI_API_KEY env var
+search = SerpAPIWrapper(serpapi_api_key=os.environ["SERPAPI_API_KEY"])
 
 tools = [
     Tool(