rollback tools declare

app.py

@@ -75,17 +75,17 @@ chat = AzureChatOpenAI(
 )
 llm = chat
 
-# llm_math = LLMMathChain(llm = llm)
+llm_math = LLMMathChain.from_llm(llm)
 
-# math_tool = Tool(
-#     name ='Calculator',
-#     func = llm_math.run,
-#     description ='Useful for when you need to answer questions about math.'
-# )
+math_tool = Tool(
+    name ='Calculator',
+    func = llm_math.run,
+    description ='Useful for when you need to answer questions about math.'
+)
 
-# tools = [DB_Search(), duckduckgo_tool, python_tool]
+tools = [DB_Search(), duckduckgo_tool, python_tool, math_tool]
 
-tools = load_tools(["Vector Database Search","Wikipedia Search","Python REPL","llm-math"], llm=llm)
+# tools = load_tools(["Vector Database Search","Wikipedia Search","Python REPL","llm-math"], llm=llm)
 
 embeddings = OpenAIEmbeddings(deployment="model_embedding", chunk_size=15)