Update app.py

app.py

@@ -3,12 +3,15 @@
 # imports
 import gradio as gr
 
+auth_token = os.getenv("auth_token")
+
 # automatically load the interface from a HF model 
 demo = gr.Interface.load(
     "huggingface/facebook/wav2vec2-base-960h",
     title="Speech-to-text",
     inputs="mic",
     description="Let me try to guess what you're saying!",
+    api_key=auth_token
 )
 
 # launch