Update app.py

app.py

@@ -120,7 +120,7 @@ def generate(input=DEFAULT_INPUT, filter_input="", negative_input=DEFAULT_NEGATI
     }
 
     if model != "Pro":
-        parameters["negative_prompt"] = str(filter_input + negative_input),
+        parameters["negative_prompt"] = str(filter_input) + str(negative_input),
     print(parameters)
     images = repo(**parameters).images
     image_paths = [save_image(img, seed) for img in images]