diff --git a/gnu/packages/python-xyz.scm b/gnu/packages/python-xyz.scm
index 823e5952e4..60870f5447 100644
--- a/gnu/packages/python-xyz.scm
+++ b/gnu/packages/python-xyz.scm
@@ -16053,32 +16053,31 @@ (define-public python-textual
                 "08yg5a51hz1axfj5hx28hx31gq5apcj6vpkkmawmiplisa73z25j"))))
     (build-system python-build-system)
     (arguments
-     (list #:phases
-       #~(modify-phases %standard-phases
-           (replace 'check
-             (lambda* (#:key inputs tests? #:allow-other-keys)
-               (when tests?
-                 (copy-recursively (string-append
-                                    (assoc-ref inputs "tests") "/tests")
-                                   "tests")
-                 (invoke "python" "-m" "pytest" "-vv")))))))
+     (let ((tests
+            ;; The release on pypi comes without tests.  We can't build
+            ;; from this checkout, though, because installation requires
+            ;; an invocation of poetry.
+            (origin
+              (method git-fetch)
+              (uri (git-reference
+                    (url "https://github.com/Textualize/textual")
+                    (commit (string-append "v" version))))
+              (file-name (git-file-name name version))
+              (sha256
+               (base32
+                "0b3ycwqhp21mg9fvmadgxhgbvkwq6fd784l2xcmvy77rravrnnax")))))
+       (list #:phases
+             #~(modify-phases %standard-phases
+                 (replace 'check
+                   (lambda* (#:key tests? #:allow-other-keys)
+                     (when tests?
+                       (copy-recursively #$(file-append tests "/tests")
+                                         "tests")
+                       (invoke "python" "-m" "pytest" "-vv"))))))))
     (propagated-inputs
      (list python-rich python-typing-extensions))
     (native-inputs
-     `(("python-pytest" ,python-pytest)
-       ("tests"
-        ;; The release on pypi comes without tests.  We can't build from this
-        ;; checkout, though, because installation requires an invocation of
-        ;; poetry.
-        ,(origin
-           (method git-fetch)
-           (uri (git-reference
-                 (url "https://github.com/Textualize/textual")
-                 (commit (string-append "v" version))))
-           (file-name (git-file-name name version))
-           (sha256
-            (base32
-             "0b3ycwqhp21mg9fvmadgxhgbvkwq6fd784l2xcmvy77rravrnnax"))))))
+     (list python-pytest))
     (home-page "https://github.com/Textualize/textual")
     (synopsis "Build text user interfaces in Python")
     (description "Textual is a @acronym{TUI, Text User Interface} framework