gnu: Add python-unicodedata2.

* gnu/packages/python-xyz.scm (python-unicodedata2): New variable.

gnu/packages/python-xyz.scm

@@ -14622,6 +14622,23 @@ (define-public python-uncertainties
 expression.")
     (license license:bsd-3)))
 
+(define-public python-unicodedata2
+  (package
+    (name "python-unicodedata2")
+    (version "14.0.0")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (pypi-uri "unicodedata2" version))
+       (sha256
+        (base32 "110nnvh02ssp92xbmswy39aa186jrmb7m41x4220wigl8c0dzxs1"))))
+    (build-system python-build-system)
+    (home-page "https://github.com/fonttools/unicodedata2")
+    (synopsis "Python unicodedata backport")
+    (description "This package corresponds to the latest @code{unicodedata}
+standard Python module.")
+    (license license:asl2.0)))
+
 (define-public python-asteval
   (package
     (name "python-asteval")