Update sd/zerogpu_controller.py

sd/zerogpu_controller.py

@@ -80,4 +80,7 @@ def get_second_result(img, prompt, negative_prompt,
 
 
 def get_help_w_prompt(img):
-    return helper.get_help(img["composite"])
+    if isinstance(img, dict):
+        return helper.get_help(img["composite"])
+    else:
+        return helper.get_help(img)