Update agent.py

agent.py

@@ -5,7 +5,7 @@ from llama_index.llms.huggingface_api import HuggingFaceInferenceAPI
 
 from llama_index.embeddings.huggingface import HuggingFaceEmbedding
 from langchain_community.document_loaders import WikipediaLoader
-from llama_index.schema import Document
+from llama_index.core.schema import Document
 from langchain_community.tools.tavily_search import TavilySearchResults
 from langchain_core.tools import tool
 from llama_index.agents import AgentWorkflow