diff --git a/pkgs/development/python-modules/rx/default.nix b/pkgs/development/python-modules/rx/default.nix
new file mode 100644
index 000000000000..6945d7486f66
--- /dev/null
+++ b/pkgs/development/python-modules/rx/default.nix
@@ -0,0 +1,23 @@
+{ lib, fetchFromGitHub, buildPythonPackage, nose }:
+
+buildPythonPackage rec {
+  pname = "rx";
+  version = "1.6.0";
+
+  # There are no tests on the pypi source
+  src = fetchFromGitHub {
+    owner = "ReactiveX";
+    repo = "rxpy";
+    rev = version;
+    sha256 = "174xi2j36igxmaqcgl5p64p31a7z19v62xb5czybjw72gpyyfyri";
+  };
+
+  checkInputs = [ nose ];
+
+  meta = {
+    homepage = https://github.com/ReactiveX/RxPY;
+    description = "Reactive Extensions for Python";
+    maintainers = with lib.maintainers; [ thanegill ];
+    license = lib.licenses.asl20;
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index a7e47b0c5170..e45418fba46d 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -358,6 +358,8 @@ in {
 
   rhpl = disabledIf isPy3k (callPackage ../development/python-modules/rhpl {});
 
+  rx = callPackage ../development/python-modules/rx { };
+
   salmon-mail = callPackage ../development/python-modules/salmon-mail { };
 
   simpleeval = callPackage ../development/python-modules/simpleeval { };