diff --git a/pkgs/development/python-modules/doctest-ignore-unicode/default.nix b/pkgs/development/python-modules/doctest-ignore-unicode/default.nix
new file mode 100644
index 00000000000..f3be8898760
--- /dev/null
+++ b/pkgs/development/python-modules/doctest-ignore-unicode/default.nix
@@ -0,0 +1,19 @@
+{ stdenv, buildPythonPackage, fetchPypi, nose }:
+
+buildPythonPackage rec {
+  pname = "doctest-ignore-unicode";
+  version = "0.1.2";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "1m9aa4qnyj21lbq4sbvmv1vcz7zksss4rz37ddf2hxv4hk8b547w";
+  };
+
+  propagatedBuildInputs = [ nose ];
+
+  meta = with stdenv.lib; {
+    description = "Add flag to ignore unicode literal prefixes in doctests";
+    license = with licenses; [ asl20 ];
+    homepage = https://github.com/gnublade/doctest-ignore-unicode;
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index f180eaa0dde..e846d82f688 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -2171,23 +2171,7 @@ in {
 
   docopt = callPackage ../development/python-modules/docopt { };
 
-  doctest-ignore-unicode = buildPythonPackage rec {
-    name = "doctest-ignore-unicode-${version}";
-    version = "0.1.2";
-
-    src = pkgs.fetchurl {
-      url = "mirror://pypi/d/doctest-ignore-unicode/${name}.tar.gz";
-      sha256= "fc90b2d0846477285c6b67fc4cb4d6f39fcf76d8752f4df0a241486f31512ad5";
-    };
-
-    propagatedBuildInputs = with self; [ nose ];
-
-    meta = {
-      description = "Add flag to ignore unicode literal prefixes in doctests";
-      license = with licenses; [ asl20 ];
-      homepage = https://github.com/gnublade/doctest-ignore-unicode;
-    };
-  };
+  doctest-ignore-unicode = callPackage ../development/python-modules/doctest-ignore-unicode { };
 
   dogpile_cache = callPackage ../development/python-modules/dogpile.cache { };