diff --git a/tests/pypi.scm b/tests/pypi.scm
index 88bb0a3116..359dd58bb1 100644
--- a/tests/pypi.scm
+++ b/tests/pypi.scm
@@ -245,7 +245,7 @@ Requires-Dist: pytest (>=3.1.0); extra == 'testing'
                               (string-length test-json-1)))
                      ("https://example.com/foo-1.0.0-py2.py3-none-any.whl" #f)
                      (_ (error "Unexpected URL: " url)))))
-                (match (pypi->guix-package "foo")
+                (match (pk 'found (pypi->guix-package "foo"))
                   (('package
                      ('name "python-foo")
                      ('version "1.0.0")
@@ -265,10 +265,10 @@ Requires-Dist: pytest (>=3.1.0); extra == 'testing'
                    (and (string=? (bytevector->nix-base32-string
                                    test-source-hash)
                                   hash)
-                        (equal? (pypi->guix-package "foo" #:version "1.0.0")
-                                (pypi->guix-package "foo"))
-                        (guard (c ((error? c) #t))
-                          (pypi->guix-package "foo" #:version "42"))))
+                        (equal? (pk 'foo@1.0.0 (pypi->guix-package "foo" #:version "1.0.0"))
+                                (pk 'foo@?? (pypi->guix-package "foo")))
+                        (guard (c ((error? c) (pk 'c c #t)))
+                          (pk 'n (pypi->guix-package "foo" #:version "42")))))
                   (x
                    (pk 'fail x #f))))))