Update app.py

app.py

@@ -36,7 +36,7 @@ config = {
 
 wandb_api_key = os.environ["WANDB_API_KEY"]
 wandb.login(key = wandb_api_key)
-wandb.init(project = "openai-llm-rag", allow_val_change = True, config = config)
+wandb.init(project = "openai-llm-rag", config = config)
 config = wandb.config
 
 template = """If you don't know the answer, just say that you don't know, don't try to make up an answer. Keep the answer as concise as possible. Always say 
@@ -126,6 +126,7 @@ def invoke(openai_api_key, rag_option, prompt):
     if (prompt == ""):
         raise gr.Error("Prompt is required.")
     config.rag_option = rag_option
+    config.update(allow_val_change = True)
     try:
         llm = ChatOpenAI(model_name = config.model, 
                          openai_api_key = openai_api_key,