Update app.py

app.py

@@ -77,8 +77,8 @@ STYLE_NAMES = list(styles.keys())
 DEFAULT_STYLE_NAME = "(无风格)"
 
 def apply_style(style_name: str, positive: str) -> Tuple[str, str]:
-    p, n = styles.get(style_name, styles[DEFAULT_STYLE_NAME])
-    return p.replace("{prompt}", positive), n
+    p = styles.get(style_name, styles[DEFAULT_STYLE_NAME])
+    return p.replace("{prompt}", positive)
 
 def generate(
     prompt: str,