gnu: python2-ipykernel: Downgrade to 4.10.1.

This is the last version actually supported by ipykernel.

* gnu/packages/python-xyz.scm (python2-ipython): Downgrade to 4.10.1.
[arguments]: Remove custom 'check phase.
[propagated-inputs]: Add python2-tornado, python2-traitlets.
[native-inputs]: Add python2-mock, python2-pytest-cov.
(python-ipykernel)[properties): Declare python2-ipykernel as the
python2- variant.

1 files changed, 12 insertions, 14 deletions

diff --git a/gnu/packages/python-xyz.scm b/gnu/packages/python-xyz.scm
index b50946d5fa..823e524192 100644
--- a/gnu/packages/python-xyz.scm
+++ b/gnu/packages/python-xyz.scm
@@ -5479,36 +5479,34 @@ installing @code{kernelspec}s for use with Jupyter frontends.")
     (synopsis "IPython Kernel for Jupyter")
     (description
      "This package provides the IPython kernel for Jupyter.")
+    (properties `((python2-variant . ,(delay python2-ipykernel))))
     (license license:bsd-3)))
 
-;; Version 5.1.1 and above no longer support Python 2.
+;; Version 5.x and above no longer support Python 2.
 (define-public python2-ipykernel
   (package
     (name "python2-ipykernel")
-    (version "5.1.0")
+    (version "4.10.1")
     (source
      (origin
        (method url-fetch)
        (uri (pypi-uri "ipykernel" version))
        (sha256
-        (base32 "0br95qhrd5k65g10djngiy27hs0642301hlf2q142i8djabvzh0g"))))
+        (base32 "1yzmdiy1djsszqp54jzd8ym8h4hpl67zjq83j2kxbkp0rwmlpdzf"))))
     (build-system python-build-system)
     (arguments
-     `(#:python ,python-2
-       #:phases
-       (modify-phases %standard-phases
-         (replace 'check
-           (lambda _
-             (setenv "HOME" "/tmp")
-             (invoke "pytest" "-v")
-             #t)))))
+     `(#:python ,python-2))
     (propagated-inputs
      `(("python2-ipython" ,python2-ipython)
        ;; imported at runtime during connect
-       ("python2-jupyter-client" ,python2-jupyter-client)))
+       ("python2-jupyter-client" ,python2-jupyter-client)
+       ("python2-tornado" ,python2-tornado)
+       ("python2-traitlets" ,python2-traitlets)))
     (native-inputs
-     `(("python2-pytest" ,python2-pytest)
-       ("python2-nose" ,python2-nose)))
+     `(("python2-mock" ,python2-mock)
+       ("python2-nose" ,python2-nose)
+       ("python2-pytest" ,python2-pytest)
+       ("python2-pytest-cov" ,python2-pytest-cov)))
     (home-page "https://ipython.org")
     (synopsis "IPython Kernel for Jupyter")
     (description