Update app.py

app.py

@@ -10,7 +10,7 @@ from PIL import Image
 from io import BytesIO
 import base64
 from smolagents import load_tool
-
+from typing import Dict
 
 model = InferenceClientModel("qwen/Qwen2.5-0.5B-Instruct",
                             max_tokens=512,
@@ -40,7 +40,7 @@ DEFAULT_API_URL = "https://agents-course-unit4-scoring.hf.space"
 class ImageCaptioningTool(Tool):
     name = "image_captioner"
     description = "Generate a caption for an image."
-    inputs = {"image": "dict", "question": "str"} 
+    inputs = {"image": Dict, "question": "str"} 
     output_type = "text"
     
     def run(self, inputs: dict) -> str: