gnu: python-numexpr: Update to 2.6.4.

* gnu/packages/python.scm (python-numexpr): Update to 2.6.4.

gnu/packages/python.scm

@@ -4142,14 +4142,14 @@ (define-public python2-numpydoc
 (define-public python-numexpr
   (package
     (name "python-numexpr")
-    (version "2.6.1")
+    (version "2.6.4")
     (source
      (origin
        (method url-fetch)
        (uri (pypi-uri "numexpr" version))
        (sha256
         (base32
-         "01lsja72m32z0i5p8rwxbfyzk4mplh72k2a140nwh8vv4wpyfbnv"))))
+         "1kpnbb5d5n927113zccfibn16z7gidjipyac6kbbhzs0lnizkgph"))))
     (build-system python-build-system)
     (arguments `(#:tests? #f))          ; no tests included
     (propagated-inputs