Change error message

app.py

@@ -28,7 +28,7 @@ def image_to_sam_image_embedding(
     try:
         image = download_image(image_url)
     except:
-        raise gr.Error(f"Could not find image with URL {image_url}")
+        raise gr.Error(f"Could not find image with URL: {image_url}.")
     image = image.convert("RGB")
     image = np.asarray(image)