Update app.py

app.py

@@ -35,5 +35,5 @@ gr.Interface(
     ],
     title="Dreambooth Teddy",
     description = "This is a dreambooth model fine-tuned on images of my dog, Teddy. Teddy is a Mini Double Doodle, whose mom was a mini golden doodle, and his dad was a labradoodle. To try it, input the concept with {teddy_holmes dog}.",
-    examples = [["a pencil drawing of a teddy_holmes dog as a knight in armor", None, 2, 50, 7.5]],
+    examples = [["a pencil drawing of a teddy_holmes dog as a knight in armor", "", 2, 50, 7.5]],
     ).launch()