Update app.py

app.py

@@ -56,7 +56,7 @@ pipe_edit.to("cuda")
 def king(type ,
         input_image ,
         instruction: str ,
-        negative_prompt: str,
+        negative_prompt: str ="",
         steps: int = 25,
         randomize_seed: bool = False,
         seed: int = 2404,
@@ -91,7 +91,7 @@ def king(type ,
         generator = torch.Generator().manual_seed(seed)
         if fast:
             pipes=pipe_fast
-            steps=int(steps/2)
+            steps=int(steps/2.5)
             guidance_scale=(guidance_scale/3)
         else:
             pipes=pipe