Update app.py

app.py

@@ -170,7 +170,7 @@ for model in model_tags:
     DROPDOWNS[model] = f" in the style of <{model}>"
 
 # def image_prompt(prompt, dropdown, guidance, steps, seed, height, width, negative_prompt=""):
-def image_prompt(prompt, guidance, steps, seed, height, width):
+def image_prompt(prompt, guidance, steps, seed, height, width, negative_prompt=""):
   # prompt = prompt + DROPDOWNS[dropdown]
   square_pixels = height * width
   if square_pixels > 640000: