Update app.py

app.py

@@ -25,7 +25,8 @@ def generate_image(upload_images, prompt, negative_prompt, style_name, steps, pr
 
 
 def error_if_no_img(prompt):
-    raise gr.Error("test") if ("img" not in prompt)
+    if "img" not in prompt:
+        raise gr.Error("test")