diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 6e3cb7bd57ca..7274cb519fde 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -26053,4 +26053,23 @@ in modules // {
 
   };
 
+  green = buildPythonPackage rec {
+    name = "green-${version}";
+    version = "2.3.0";
+    src = pkgs.fetchurl {
+      url = "https://pypi.python.org/packages/source/g/green/${name}.tar.gz";
+      sha256 = "1888khfl9yxb8yfxq9b48dxwplqlxx8s0l530z5j7c6bx74v08b4";
+    };
+
+    propagatedBuildInputs = with self; [ termstyle colorama ];
+    buildInputs = with self; [ mock ];
+
+    meta = {
+      description = "python test runner";
+      homepage = "https://github.com/CleanCut/green";
+      licence = licenses.mit;
+    };
+
+  };
+
 }