gnu: python-pykdtree: Move to python-science.

* gnu/packages/python-xyz.scm (python-pykdtree): Move from here ...
* gnu/packages/python-science.scm: ... to here.

Change-Id: Id13b95eab7e590b01cd46375929303458cf9ac82

gnu/packages/python-science.scm

@@ -1953,6 +1953,39 @@ different units.")
 Evapotranspiration using various standard methods.")
     (license license:expat)))
 
+(define-public python-pykdtree
+  (package
+    (name "python-pykdtree")
+    (version "1.4.2")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (pypi-uri "pykdtree" version))
+       (sha256
+        (base32 "1xb5xdp32s5ffcbbb6vlrj4i70hdknajvr9yhzx0wld52rx9caxx"))))
+    (build-system pyproject-build-system)
+    (arguments
+     (list
+      ;; FIXME: Tests are unable to import properly, but it seems to work in
+      ;; real conditions.
+      #:tests? #f
+      #:phases
+      #~(modify-phases %standard-phases
+          (add-after 'install 'fix-site-packages
+            (lambda* (#:key inputs outputs #:allow-other-keys)
+              (with-directory-excursion (site-packages inputs outputs)
+                (for-each delete-file (find-files "." "test*"))))))))
+    (native-inputs
+     (list python-cython-3 python-pytest python-setuptools python-wheel))
+    (propagated-inputs
+     (list python-numpy))
+    (home-page "https://github.com/storpipfugl/pykdtree")
+    (synopsis "Fast kd-tree implementation with OpenMP-enabled queries")
+    (description
+     "@code{pykdtree} is a kd-tree implementation for fast nearest neighbour
+search in Python.")
+    (license license:lgpl3+)))
+
 (define-public python-pynetdicom
   (package
     (name "python-pynetdicom")