Update utils.py

utils.py

@@ -10,12 +10,11 @@ def query_agent(data, query):
     # Parse the CSV file and create a Pandas DataFrame from its contents.
     df = pd.read_csv(data)
     
-    llm = OpenAI()
-    # Set the model to use
-    model = "gpt-4-32k" 
+    llm = ChatOpenAI(model_name="gpt-4", temperature=0.1)
+    
     
     # Create a Pandas DataFrame agent.
-    agent = create_pandas_dataframe_agent(llm, df, model= model, verbose=True)
+    agent = create_pandas_dataframe_agent(llm, df, verbose=True)
 
     #Python REPL: A Python shell used to evaluating and executing Python commands. 
     #It takes python code as input and outputs the result. The input python code can be generated from another tool in the LangChain