Update models.py

models.py

@@ -127,11 +127,7 @@ class OpenDalle(BaseModel):
 
 class Dalle3XL(BaseModel):
     query: str
-    is_neg: bool=False
-    steps: int=30
-    cfg_scale: int=7
-    seed: int=-1
-    strength: int=1
+    is_neg: Optional[bool]= False
 
 class TranslateCustom(BaseModel):
     text: str