remove key override.

app.py

@@ -6,7 +6,8 @@ import gradio as gr
 openai.api_key = os.getenv("OPENAI_API_KEY")
 
 #if you have OpenAI API key as a string, enable the below
-openai.api_key = ""
+# openai.api_key = ""
+print("key", openai.api_key)
 
 start_sequence = "\ChatGPT:"
 restart_sequence = "\nMe: "