pythonPackages.pbkdf2: Move to own file

pkgs/development/python-modules/pbkdf2/default.nix

@@ -0,0 +1,18 @@
+{ stdenv, buildPythonPackage, fetchPypi }:
+
+buildPythonPackage rec {
+  pname = "pbkdf2";
+  version = "1.3";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "0yb99rl2mbsaamj571s1mf6vgniqh23v98k4632150hjkwv9fqxc";
+  };
+
+  # ImportError: No module named test
+  doCheck = false;
+
+  meta = with stdenv.lib; {
+    maintainers = with maintainers; [ domenkozar ];
+  };
+}