pythonPackages.ssdeep: refactor move to python-modules

fixed package that was originally broken.

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

@@ -0,0 +1,33 @@
+{ stdenv
+, buildPythonPackage
+, fetchPypi
+, pkgs
+, cffi
+, six
+, pytest
+, pytestrunner
+}:
+
+buildPythonPackage rec {
+  pname = "ssdeep";
+  version = "3.3";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "255de1f034652b3ed21920221017e70e570b1644f9436fea120ae416175f4ef5";
+  };
+
+  buildInputs = [ pkgs.ssdeep pytestrunner ];
+  checkInputs = [ pytest ];
+  propagatedBuildInputs = [ cffi six ];
+
+  # tests repository does not include required files
+  doCheck = false;
+
+  meta = with stdenv.lib; {
+    homepage = http://github.com/DinoTools/python-ssdeep;
+    description = "Python wrapper for the ssdeep library";
+    license = licenses.lgpl3;
+  };
+
+}