python.pkgs.numexpr: 2.6.2 -> 2.6.4

pkgs/development/python-modules/numexpr/default.nix

···
+{ lib
+, buildPythonPackage
+, fetchPypi
+, python
+, numpy
+}:
+
+buildPythonPackage rec {
+  pname = "numexpr";
+  version = "2.6.4";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "f0bef9a3a5407fb8d6344cf91b658bef7c13ec8a8eb13f423822d9d2ca5af6ce";
+  };
+
+  propagatedBuildInputs = [ numpy ];
+
+  # Run the test suite.
+  # It requires the build path to be in the python search path.
+  checkPhase = ''
+    ${python}/bin/${python.executable} <<EOF
+    import sysconfig
+    import sys
+    import os
+    f = "lib.{platform}-{version[0]}.{version[1]}"
+    lib = f.format(platform=sysconfig.get_platform(),
+                   version=sys.version_info)
+    build = os.path.join(os.getcwd(), 'build', lib)
+    sys.path.insert(0, build)
+    import numexpr
+    r = numexpr.test()
+    if not r.wasSuccessful():
+        sys.exit(1)
+    EOF
+  '';
+
+  meta = {
+    description = "Fast numerical array expression evaluator for NumPy";
+    homepage = "https://github.com/pydata/numexpr";
+    license = lib.licenses.mit;
+  };
+}

pkgs/top-level/python-packages.nix

···
 
   numba = callPackage ../development/python-modules/numba { };
 
-  numexpr = buildPythonPackage rec {
-    version = "2.6.2";
-    name = "numexpr-${version}";
-
-    src = pkgs.fetchurl {
-      url = "mirror://pypi/n/numexpr/${name}.tar.gz";
-      sha256 = "6ab8ff5c19e7f452966bf5a3220b845cf3244fe0b96544f7f9acedcc2db5c705";
-    };
-
-    propagatedBuildInputs = with self; [ numpy ];
-
-    # Run the test suite.
-    # It requires the build path to be in the python search path.
-    checkPhase = ''
-      ${python}/bin/${python.executable} <<EOF
-      import sysconfig
-      import sys
-      import os
-      f = "lib.{platform}-{version[0]}.{version[1]}"
-      lib = f.format(platform=sysconfig.get_platform(),
-                     version=sys.version_info)
-      build = os.path.join(os.getcwd(), 'build', lib)
-      sys.path.insert(0, build)
-      import numexpr
-      r = numexpr.test()
-      if not r.wasSuccessful():
-          sys.exit(1)
-      EOF
-    '';
-
-    meta = {
-      description = "Fast numerical array expression evaluator for NumPy";
-      homepage = "https://github.com/pydata/numexpr";
-      license = licenses.mit;
-    };
-  };
+  numexpr = callPackage ../development/python-modules/numexpr { };
 
   Nuitka = let
     # scons is needed but using it requires Python 2.7