gnu: python-pari-jupyter: Update to 1.4.3.

* gnu/packages/python-xyz.scm (python-pari-jupyter): Update to 1.4.3.
[build-system]: Switch to pyproject.
[inputs]: Remove python-ipykernel.
[propagated-inputs]: Add python-ipykernel.
[native-inputs]: Add python-cython, python-jupyter-kernel-test,
python-setuptools, and python-wheel.

Change-Id: I1b9f6845223d54d2179012ac84524bf3ed27699d

gnu/packages/python-xyz.scm

@@ -14242,18 +14242,26 @@ installing @code{kernelspec}s for use with Jupyter frontends.")
 (define-public python-pari-jupyter
   (package
     (name "python-pari-jupyter")
-    (version "1.4.1")
+    (version "1.4.3")
     (source
      (origin
        (method url-fetch)
        (uri (pypi-uri "pari-jupyter" version))
        (sha256
-        (base32
-         "1ikqvv335qfrhmlji0iclci6pnm2c3fvnxf031jr1d68j79g6ypd"))))
-    (build-system python-build-system)
-    (arguments '(#:tests? #f))          ;no test suite
+        (base32 "178v8y3sj3lh3y8i7krbmjqvmv7549bg535fqq1q6axr0lfjknbw"))))
+    (build-system pyproject-build-system)
+    (arguments
+     (list #:tests? #f)) ; there are no proper tests
+    (native-inputs
+     (list python-cython
+           python-jupyter-kernel-test
+           python-setuptools
+           python-wheel))
     (inputs
-     (list pari-gp readline python-ipykernel))
+     (list pari-gp
+           readline))
+    (propagated-inputs
+     (list python-ipykernel))
     (home-page "https://github.com/sagemath/pari-jupyter")
     (synopsis "Jupyter kernel for PARI/GP")
     (description "The package provides a PARI/GP kernel for Jupyter.")