pythonPackages.seaborn: disable <py3.6, abandoned upstream

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

@@ -1,5 +1,6 @@
 { lib
 , buildPythonPackage
+, pythonOlder
 , fetchPypi
 , nose
 , pandas
@@ -9,6 +10,8 @@
 buildPythonPackage rec {
   pname = "seaborn";
   version = "0.10.0";
+  disabled = pythonOlder "3.6";
+
   src = fetchPypi {
     inherit pname version;
     sha256 = "59fe414e138d7d5ea08b0feb01b86caf4682e36fa748e3987730523a89aecbb9";
@@ -30,4 +33,4 @@ buildPythonPackage rec {
     license = with lib.licenses; [ bsd3 ];
     maintainers = with lib.maintainers; [ fridh ];
   };
-}
+}