Add meta llama as endpoint

tools.py

@@ -47,7 +47,7 @@ def web_search(query: str) -> str:
     return context if context else "No results found."
 
 llm = ChatHuggingFace(llm = HuggingFaceEndpoint(
-                endpoint_url="https://api-inference.huggingface.co/models/Meta-DeepLearning/llama-2-7b-chat-hf",
+                endpoint_url="https://api-inference.huggingface.co/models/meta-llama/llama-2-7b-chat-hf",
                 temperature=0))
 tools = [add, subtract, divide, web_search]
 llm_with_tools = llm.bind_tools(tools, parallel_tool_calls = False)