Update app.py

app.py

@@ -1,6 +1,10 @@
 import gradio as gr
 from huggingface_hub import InferenceClient
-
+api_key = os.environ.get('FEATHERLESS_API_KEY')
+client = OpenAI(
+    base_url="https://api.featherless.ai/v1",
+    api_key=api_key
+)
 
 def respond(
     message,