diff --git a/gnu/packages/python-science.scm b/gnu/packages/python-science.scm
index cb701a0c7d5..55b20ab55bf 100644
--- a/gnu/packages/python-science.scm
+++ b/gnu/packages/python-science.scm
@@ -9,6 +9,7 @@
 ;;; Copyright © 2018, 2022 Leo Famulari <leo@famulari.name>
 ;;; Copyright © 2019-2025 Maxim Cournoyer <maxim@guixotic.coop>
 ;;; Copyright © 2019 Giacomo Leidi <goodoldpaul@autistici.org>
+;;; Copyright © 2020-2025 Nicolas Goaziou <mail@nicolasgoaziou.fr>
 ;;; Copyright © 2020 Pierre Langlois <pierre.langlois@gmx.com>
 ;;; Copyright © 2020-2025 Vinicius Monego <monego@posteo.net>
 ;;; Copyright © 2021 Greg Hogan <code@greghogan.com>
@@ -5913,6 +5914,42 @@ and PySide6.  It is intended for use in mathematics, scientific or engineering
 applications.")
     (license license:expat)))
 
+(define-public pyzo
+  (package
+    (name "pyzo")
+    (version "4.20.0")
+    (source
+     (origin
+       (method git-fetch)
+       (uri (git-reference
+             (url "https://github.com/pyzo/pyzo")
+             (commit (string-append "v" version))))
+       (file-name (git-file-name name version))
+       (sha256
+        (base32 "1a82k7hjmv20lrwiwsdrvczrm21wq16m4snwsirwhj0jh5k1x9iw"))))
+    (build-system pyproject-build-system)
+    (arguments
+     (list
+      #:test-flags
+      #~(list "--ignore-glob=pyzo/yoton/tests/*"     ; XXX: yoton is outdated.
+              "--ignore=pyzo/codeeditor/_test.py"))) ; XXX: cannot import qt.
+    (native-inputs
+     (list python-flit-core
+           python-pytest
+           python-setuptools))
+    (inputs (list python-pyside-6))
+    (home-page "https://pyzo.org")
+    (synopsis "Python IDE for scientific computing")
+    (description
+     "Pyzo is a Python IDE focused on interactivity and introspection,which
+makes it very suitable for scientific computing.  Its practical design is
+aimed at simplicity and efficiency.
+
+It consists of two main components, the editor and the shell, and uses a set
+of pluggable tools to help the programmer in various ways.  Some example tools
+are source structure, project manager, interactive help, workspace...")
+    (license license:bsd-2)))
+
 (define-public snakemake
   (package
     (name "snakemake")
diff --git a/gnu/packages/python-xyz.scm b/gnu/packages/python-xyz.scm
index 6f2ac5675ea..9cbaa782776 100644
--- a/gnu/packages/python-xyz.scm
+++ b/gnu/packages/python-xyz.scm
@@ -30485,43 +30485,6 @@ cryptographically signed ones).")
 dictionaries.")
     (license license:expat)))
 
-(define-public pyzo
-  (package
-    (name "pyzo")
-    (version "4.20.0")
-    (source
-     (origin
-       (method git-fetch)
-       (uri (git-reference
-             (url "https://github.com/pyzo/pyzo")
-             (commit (string-append "v" version))))
-       (file-name (git-file-name name version))
-       (sha256
-        (base32 "1a82k7hjmv20lrwiwsdrvczrm21wq16m4snwsirwhj0jh5k1x9iw"))))
-    (build-system pyproject-build-system)
-    (arguments
-     (list
-      #:test-flags
-      #~(list "--ignore-glob=pyzo/yoton/tests/*"     ; XXX: yoton is outdated.
-              "--ignore=pyzo/codeeditor/_test.py"))) ; XXX: cannot import qt.
-    (native-inputs
-     (list python-flit-core
-           python-pytest
-           python-setuptools))
-    (inputs (list python-pyside-6))
-    (home-page "https://pyzo.org")
-    (synopsis "Python IDE for scientific computing")
-    (description
-     "Pyzo is a Python IDE focused on interactivity and introspection,
-which makes it very suitable for scientific computing.  Its practical
-design is aimed at simplicity and efficiency.
-
-It consists of two main components, the editor and the shell, and uses
-a set of pluggable tools to help the programmer in various ways.  Some
-example tools are source structure, project manager, interactive help,
-workspace...")
-    (license license:bsd-2)))
-
 (define-public python-osc
   (package
     (name "python-osc")