diff --git a/pkgs/development/python-modules/datadiff/default.nix b/pkgs/development/python-modules/datadiff/default.nix
new file mode 100644
index 000000000000..72964e3d1f64
--- /dev/null
+++ b/pkgs/development/python-modules/datadiff/default.nix
@@ -0,0 +1,25 @@
+{ stdenv
+, buildPythonPackage
+, fetchPypi
+, nose
+}:
+
+buildPythonPackage rec {
+  pname = "datadiff";
+  version = "1.1.6";
+
+  src = fetchPypi {
+    inherit pname version;
+    extension = "zip";
+    sha256 = "f1402701063998f6a70609789aae8dc05703f3ad0a34882f6199653654c55543";
+  };
+
+  buildInputs = [ nose ];
+
+  meta = with stdenv.lib; {
+    description = "DataDiff";
+    homepage = https://sourceforge.net/projects/datadiff/;
+    license = licenses.asl20;
+  };
+
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index d9628552241c..f0a6d386151e 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -4397,22 +4397,7 @@ in {
 
   weboob = callPackage ../development/python-modules/weboob { };
 
-  datadiff = buildPythonPackage rec {
-    name = "datadiff-1.1.6";
-
-    src = pkgs.fetchurl {
-      url = "mirror://pypi/d/datadiff/datadiff-1.1.6.zip";
-      sha256 = "f1402701063998f6a70609789aae8dc05703f3ad0a34882f6199653654c55543";
-    };
-
-    buildInputs = with self; [ nose ];
-
-    meta = {
-      description = "DataDiff";
-      homepage = https://sourceforge.net/projects/datadiff/;
-      license = licenses.asl20;
-    };
-  };
+  datadiff = callPackage ../development/python-modules/datadiff { };
 
   termcolor = buildPythonPackage rec {
     name = "termcolor-1.1.0";