From: Daniel P. Berrangé <berrange@redhat.com>

The catch-all exception handler forgot the placeholder for
the exception details.

Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-ID: <20250829142616.2633254-3-berrange@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
(cherry picked from commit 124ab930ba38c41a86533dbfabb7a3b3b270ef98)
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>

diff --git a/tests/functional/qemu_test/asset.py b/tests/functional/qemu_test/asset.py
index 704b84d0ea..debed88f5e 100644
--- a/tests/functional/qemu_test/asset.py
+++ b/tests/functional/qemu_test/asset.py
@@ -169,7 +169,7 @@ def fetch(self):
                 continue
             except Exception as e:
                 tmp_cache_file.unlink()
-                raise AssetError(self, "Unable to download: " % e)
+                raise AssetError(self, "Unable to download: %s" % e)
 
         if not os.path.exists(tmp_cache_file):
             raise AssetError(self, "Download retries exceeded", transient=True)
-- 
2.47.3