diff --git a/pkgs/development/python-modules/traittypes/default.nix b/pkgs/development/python-modules/traittypes/default.nix
new file mode 100644
index 000000000000..9814f740ebc4
--- /dev/null
+++ b/pkgs/development/python-modules/traittypes/default.nix
@@ -0,0 +1,47 @@
+{ stdenv
+, buildPythonPackage
+, fetchFromGitHub
+, fetchpatch
+, isPy27
+, pytest
+, nose
+, numpy
+, scipy
+, pandas
+, xarray
+, traitlets
+}:
+
+buildPythonPackage rec {
+  pname = "traittypes";
+  version = "unstable-2019-06-23";
+
+  disabled = isPy27;
+
+  src = fetchFromGitHub {
+    owner = "jupyter-widgets";
+    repo = pname;
+    rev = "0a030b928991dec732c17a7a1cb13acbcd7650a2";
+    sha256 = "0rlm5krmq6n8yi47dgdsjyrkz3m079pndpbzkz2gx98pb3jd9pjs";
+  };
+
+  patches = [
+    (fetchpatch {
+       name = "fix-intarray-test.patch";
+       url = "https://github.com/minrk/traittypes/commit/a02441e5b259e5858453a853207260c9bd4efbb5.patch";
+       sha256 = "120dsvr5nksizw75z1ah3h38mi399fxbvz5anakica557jahi0aw";
+    })
+  ];
+
+  propagatedBuildInputs = [ traitlets ];
+
+  checkInputs = [ numpy pandas xarray nose pytest ];
+
+  meta = with stdenv.lib; {
+    description = "Trait types for NumPy, SciPy, XArray, and Pandas";
+    homepage = "https://github.com/jupyter-widgets/traittypes";
+    license = licenses.bsd3;
+    maintainers = with maintainers; [ bcdarwin ];
+  };
+
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index ee605fb1facc..c83987ee6b40 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -5876,6 +5876,8 @@ in {
 
   traitlets = callPackage ../development/python-modules/traitlets { };
 
+  traittypes = callPackage ../development/python-modules/traittypes { };
+
   transitions = callPackage ../development/python-modules/transitions { };
 
   extras = callPackage ../development/python-modules/extras { };