formatting

gradio/components.py

@@ -1314,7 +1314,10 @@ def preprocess(self, x: str | Dict) -> np.array | PIL.Image | str | None:
         """
         if x is None:
             return x
-        if self.tool in ["sketch", "color-sketch"] and self.source in ["upload", "webcam"]:
+        if self.tool in ["sketch", "color-sketch"] and self.source in [
+            "upload",
+            "webcam",
+        ]:
             x, mask = x["image"], x["mask"]
 
         im = processing_utils.decode_base64_to_image(x)