python2Packages.spyder-kernels: fix build

pkgs/development/python-modules/spyder-kernels/2.nix

@@ -0,0 +1,30 @@
+{ stdenv, buildPythonPackage, fetchPypi, cloudpickle, ipykernel, wurlitzer,
+  jupyter_client, pyzmq }:
+
+buildPythonPackage rec {
+  pname = "spyder-kernels";
+  version = "0.5.2";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "01354b7fa180a87212cc005553b31a7300159b108d36828e301d3782291323f7";
+  };
+
+  propagatedBuildInputs = [
+    cloudpickle
+    ipykernel
+    wurlitzer
+    jupyter_client
+    pyzmq
+  ];
+
+  # No tests
+  doCheck = false;
+
+  meta = with stdenv.lib; {
+    description = "Jupyter kernels for Spyder's console";
+    homepage = "https://github.com/spyder-ide/spyder-kernels";
+    license = licenses.mit;
+    maintainers = with maintainers; [ gebner ];
+  };
+}

pkgs/top-level/python-packages.nix

@@ -1459,8 +1459,8 @@ in {
 
   sniffio = callPackage ../development/python-modules/sniffio { };
 
-  spyder-kernels = callPackage ../development/python-modules/spyder-kernels {};
-  spyder = callPackage ../development/python-modules/spyder {};
+  spyder-kernels = if isPy3k then callPackage ../development/python-modules/spyder-kernels {}
+    else callPackage ../development/python-modules/spyder-kernels/2.nix {};
 
   tenacity = callPackage ../development/python-modules/tenacity { };