diff --git a/pkgs/development/python-modules/nosexcover/default.nix b/pkgs/development/python-modules/nosexcover/default.nix
new file mode 100644
index 00000000000..aa238bce79a
--- /dev/null
+++ b/pkgs/development/python-modules/nosexcover/default.nix
@@ -0,0 +1,25 @@
+{ stdenv
+, buildPythonPackage
+, fetchPypi
+, coverage
+, nose
+}:
+
+buildPythonPackage rec {
+  pname = "nosexcover";
+  version = "1.0.10";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "f5b3a7c936c4f703f15418c1f325775098184b69fa572f868edb8a99f8f144a8";
+  };
+
+  propagatedBuildInputs = [ coverage nose ];
+
+  meta = with stdenv.lib; {
+    description = "Extends nose.plugins.cover to add Cobertura-style XML reports";
+    homepage = https://github.com/cmheisel/nose-xcover/;
+    license = licenses.bsd3;
+  };
+
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index a83f6162cfd..3527a02aead 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -2985,24 +2985,7 @@ in {
 
   nose-cover3 = callPackage ../development/python-modules/nose-cover3 { };
 
-  nosexcover = buildPythonPackage (rec {
-    name = "nosexcover-1.0.10";
-
-    src = pkgs.fetchurl {
-      url = "mirror://pypi/n/nosexcover/${name}.tar.gz";
-      sha256 = "f5b3a7c936c4f703f15418c1f325775098184b69fa572f868edb8a99f8f144a8";
-    };
-
-    propagatedBuildInputs = with self; [ coverage nose ];
-
-    meta = {
-      description = "Extends nose.plugins.cover to add Cobertura-style XML reports";
-
-      homepage = https://github.com/cmheisel/nose-xcover/;
-
-      license = licenses.bsd3;
-    };
-  });
+  nosexcover = callPackage ../development/python-modules/nosexcover { };
 
   nosejs = buildPythonPackage {
     name = "nosejs-0.9.4";