diff --git a/pkgs/development/python-modules/hbmqtt/default.nix b/pkgs/development/python-modules/hbmqtt/default.nix
new file mode 100644
index 000000000000..379aa1c3cf42
--- /dev/null
+++ b/pkgs/development/python-modules/hbmqtt/default.nix
@@ -0,0 +1,29 @@
+{ stdenv, buildPythonPackage, fetchPypi, isPy3k
+, transitions, websockets, passlib, docopt, pyyaml, nose }:
+
+buildPythonPackage rec {
+  pname = "hbmqtt";
+  version = "0.9.1";
+
+  disabled = !isPy3k;
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "04lqqcy84f9gcwqhrlvzp689r3mkdd8ipsnfzw8gryfny4lh8wrx";
+  };
+
+  propagatedBuildInputs = [ transitions websockets passlib docopt pyyaml ];
+
+  checkInputs = [ nose ];
+
+  checkPhase = ''
+    nosetests -e test_connect_tcp
+  '';
+
+  meta = with stdenv.lib; {
+    homepage = https://github.com/beerfactory/hbmqtt;
+    description = "MQTT client/broker using Python asynchronous I/O";
+    license = licenses.mit;
+    maintainers = with maintainers; [ dotlambda ];
+  };
+}
diff --git a/pkgs/development/python-modules/transitions/default.nix b/pkgs/development/python-modules/transitions/default.nix
new file mode 100644
index 000000000000..edf13782b078
--- /dev/null
+++ b/pkgs/development/python-modules/transitions/default.nix
@@ -0,0 +1,31 @@
+{ stdenv, buildPythonPackage, fetchPypi
+, six, nose, mock, dill, pycodestyle }:
+
+buildPythonPackage rec {
+  pname = "transitions";
+  version = "0.6.4";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "1ikxsjg7vil0yhiwhiimnjzcb1ig6g6g79sdhs9v8rnrszk1mi2n";
+  };
+
+  postPatch = ''
+    substituteInPlace setup.py --replace "dill<0.2.7" dill
+  '';
+
+  propagatedBuildInputs = [ six ];
+
+  checkInputs = [ nose mock dill pycodestyle ];
+
+  checkPhase = ''
+    nosetests
+  '';
+
+  meta = with stdenv.lib; {
+    homepage = https://github.com/pytransitions/transitions;
+    description = "A lightweight, object-oriented finite state machine implementation in Python";
+    license = licenses.mit;
+    maintainers = with maintainers; [ dotlambda ];
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 334d09d09d25..6c852d66b1b0 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -5090,6 +5090,8 @@ in {
   then callPackage ../development/python-modules/gurobipy/linux.nix {}
   else throw "gurobipy not yet supported on ${stdenv.system}";
 
+  hbmqtt = callPackage ../development/python-modules/hbmqtt { };
+
   helper = buildPythonPackage rec {
     pname = "helper";
     version = "2.4.1";
@@ -17495,6 +17497,8 @@ in {
 
   traitlets = callPackage ../development/python-modules/traitlets { };
 
+  transitions = callPackage ../development/python-modules/transitions { };
+
   python_mimeparse = buildPythonPackage rec {
     name = "python-mimeparse-${version}";
     version = "0.1.4";