Not use gradio_client.file for Fuyu-8B.

app.py

@@ -102,7 +102,7 @@ def generate_caption_fuyu(image_path: str) -> str:
     try:
         client = Client("adept/fuyu-8b-demo")
         return client.predict(
-            file(image_path),
+            image_path,
             "Generate a coco style caption.\n",
             fn_index=3,
         )