pythonPackages.seaborn: use v0.9.1 for python 2

required for poretools

pkgs/development/python-modules/seaborn/0.9.1.nix

@@ -0,0 +1,33 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, nose
+, pandas
+, matplotlib
+}:
+
+buildPythonPackage rec {
+  pname = "seaborn";
+  version = "0.9.1";
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "da33aa8c20a9a342ce73831d02831a10413f54a05471c7f31edf34f225d456ae";
+  };
+
+  checkInputs = [ nose ];
+  propagatedBuildInputs = [ pandas matplotlib ];
+
+  checkPhase = ''
+    nosetests -v
+  '';
+
+  # Computationally very demanding tests
+  doCheck = false;
+
+  meta = {
+    description = "Statisitical data visualization";
+    homepage = "http://stanford.edu/~mwaskom/software/seaborn/";
+    license = with lib.licenses; [ bsd3 ];
+    maintainers = with lib.maintainers; [ fridh ];
+  };
+}

pkgs/top-level/python-packages.nix

@@ -5488,7 +5488,10 @@ in {
 
   scp = callPackage ../development/python-modules/scp {};
 
-  seaborn = callPackage ../development/python-modules/seaborn { };
+  seaborn = if isPy3k then
+    callPackage ../development/python-modules/seaborn { }
+  else
+    callPackage ../development/python-modules/seaborn/0.9.1.nix { };
 
   seabreeze = callPackage ../development/python-modules/seabreeze { };