Update app.py

app.py

@@ -145,9 +145,9 @@ with gr.Blocks(theme='HaleyCH/HaleyCH_Theme') as demo:
             # to do: change to openaikey input for public release
             openai_key = gr.Textbox(
                 label="OpenAI Key",
-                value="openai_key",
+                value="os.environ.get("openai_key")", 
                 type="password",
-                placeholder="openai_key",
+                placeholder="",
                 info="You have to provide your own OpenAI API key.",
             )