Update app.py

app.py

@@ -604,12 +604,19 @@ class NutritionBot:
         # os.environ['OPENAI_API_KEY'] = config.get("API_KEY")
         # os.environ['OPENAI_API_BASE'] = config.get("OPENAI_API_BASE")
 
-        # Use the proper OpenAI client
-        self.client = OpenAI(
-        api_key=os.environ["API_KEY"],
-        base_url=os.environ["API_BASE"]
-        )
+        # # Use the proper OpenAI client
+        # self.client = OpenAI(
+        # api_key=os.environ["API_KEY"],
+        # base_url=os.environ["API_BASE"]
+        # )
 
+        # Initialize the ChatOpenAI client from LangChain
+        self.client = ChatOpenAI(
+            model="gpt-4o-mini",  # Specify the model to use
+            openai_api_key=api_key, # Use the api_key from the setup section
+            openai_api_base=endpoint, # Use the endpoint from the setup section
+            temperature=0  # Controls randomness in responses; 0 ensures deterministic results
+        )
         # Define tools available to the chatbot, such as web search
         tools = [agentic_rag]