gnu: python-gwcs: Update to 0.18.2.

* gnu/packages/astronomy.scm (python-gwcs): Fix build and update to 0.18.2.
[build-system]: Use pyproject-build-system.
[arguments]: Remove redundant.
[native-inputs]: Use python-jsonschema-next over python-jsonschema to fix
tests failing to run due to python-asdf issue with low version of jsonschema,
see asdf-format/asdf#1203.

Signed-off-by: Christopher Baines <[email protected]>

Author: Hellseher

gnu/packages/astronomy.scm

@@ -2264,24 +2264,16 @@ install an implementation package such as gwcs.")
 (define-public python-gwcs
   (package
     (name "python-gwcs")
-    (version "0.18.0")
+    (version "0.18.2")
     (source
      (origin
        (method url-fetch)
        (uri (pypi-uri "gwcs" version))
        (sha256
-        (base32 "194j49m8xjjzv9pp8cnj06igz8sdxb0nphyybcc7mhigw0f0kr30"))))
-    (build-system python-build-system)
-    (arguments
-     `(#:phases
-       (modify-phases %standard-phases
-         (replace 'check
-           (lambda* (#:key inputs outputs tests? #:allow-other-keys)
-             (when tests?
-               (add-installed-pythonpath inputs outputs)
-               (invoke "python" "-m" "pytest")))))))
+        (base32 "0v9qcq6zl74d6s882s6xmas144jfalvll6va8rvrxmvpx4vqjzhg"))))
+    (build-system pyproject-build-system)
     (native-inputs
-     (list python-jsonschema
+     (list python-jsonschema-next
            python-jmespath
            python-pytest
            python-pytest-doctestplus