Update app.py

updated display_image

app.py

@@ -36,20 +36,28 @@ def gaussian_blur(image_path: str, output_path: str, kernel_size: int, sigma: in
     return output_path
 
 @tool
-def display_image(image_path: str) -> None:
+def display_image(image_path: str) -> Image.Image:
     """
-    Opens and displays an image using Pillow.
+    Loads and returns an image from the specified file path.
+
+    This function opens an image using Pillow and returns the loaded image object.
+    It raises an error if the file cannot be found or opened.
 
     Args:
-        image_path: The file path of the image to be displayed.
+        image_path: The path to the image file.
+
+    Returns:
+        Image.Image: The loaded image object.
+
+    Raises:
+        ValueError: If the image cannot be opened.
     """
     try:
         image = Image.open(image_path)
-        image.show()
+        return image
     except Exception as e:
         raise ValueError(f"Error opening image: {e}")
 
-
 @tool
 def get_current_time_in_timezone(timezone: str) -> str:
     """A tool that fetches the current local time in a specified timezone.