diff --git a/nix/sources.json b/nix/sources.json

index f02c41599a8f34b7af7eaaa2c5a0f106e746633f..96d1db9efa33de148bc26530f5008c61b752c4d1 100644

--- a/nix/sources.json

+++ b/nix/sources.json

@@ -880,6 +880,20 @@ "type": "tarball",

     "url": "https://github.com/LBeaudoux/tatoebatools/archive/da5613145db5080c89ff5a49d13e9d92c0017b2d.tar.gz",

     "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"

 },

• "thinplatespline": {

•    "branch": "master",
  

•    "builtin": false,
  

•    "date": "2013-01-23T09:17:04Z",
  

•    "description": "Python library for thin plate spline calculations",
  

•    "homepage": "https://github.com/wladich/thinplatespline",
  

•    "owner": "wladich",
  

•    "repo": "thinplatespline",
  

•    "rev": "55fecd22c7160577b925e03169e74bd488a41cf3",
  

•    "sha256": "0xj00z0glaz4hgijdd47ck3xj4p1hf0n46i48v7ajr6lxlxn4pmp",
  

•    "type": "tarball",
  

•    "url": "https://github.com/wladich/thinplatespline/archive/55fecd22c7160577b925e03169e74bd488a41cf3.tar.gz",
  

•    "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
  

• },

 "tilesets-cli": {

     "branch": "master",

     "builtin": false,

diff --git a/pkgs/default.nix b/pkgs/default.nix

index 49bac8317366ee3f6fcd12ea74b7b6b78c0aac75..db8a8e543403a486082eaf9000130616e9aefc68 100644

--- a/pkgs/default.nix

+++ b/pkgs/default.nix

@@ -127,6 +127,7 @@ pyimagequant = callPackage ./development/python-modules/pyimagequant { };

 pymbtiles = callPackage ./development/python-modules/pymbtiles { };

 python-hfst = callPackage ./development/python-modules/python-hfst { };

 s2sphere = callPackage ./development/python-modules/s2sphere { };

• thinplatespline = callPackage ./development/python-modules/thinplatespline { };

 ### TOOLS

diff --git a/pkgs/development/python-modules/thinplatespline/default.nix b/pkgs/development/python-modules/thinplatespline/default.nix

new file mode 100644

index 0000000000000000000000000000000000000000..a17fb9c98d5094d458c03476c5ac797cfb951e68

--- /dev/null

+++ b/pkgs/development/python-modules/thinplatespline/default.nix

@@ -0,0 +1,24 @@

+{ lib, python3Packages, sources }:

+python3Packages.buildPythonPackage {

• pname = "thinplatespline";

• version = lib.substring 0 10 sources.thinplatespline.date;

• src = sources.thinplatespline;

• postPatch = ''

• 2to3 -n -w tps/*.py

• substituteInPlace tps/init.py --replace "_tps" "._tps"

• '';

• doCheck = false;

• pythonImportsCheck = [ "tps" ];

• meta = with lib; {

• inherit (sources.thinplatespline) description homepage;

• license = licenses.mit;

• maintainers = [ maintainers.sikmir ];

• platforms = platforms.unix;

• };

+}