python27Packages.ipython: 5.7.0 -> 5.8.0, python36Packages.ipython 5.7.0 -> 7.1.1

- removed patch for sage as it is applied in most recent release.
 - simplified `ipython` attribute no need for explicit version `5`
   vs. `6`.
 - upgrade to most recent version of ipython

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

@@ -12,22 +12,21 @@
 , jedi
 , decorator
 , pickleshare
-, simplegeneric
 , traitlets
 , prompt_toolkit
 , pexpect
 , appnope
-, typing
 , backcall
 }:
 
 buildPythonPackage rec {
   pname = "ipython";
-  version = "6.5.0";
+  version = "7.1.1";
+  disabled = pythonOlder "3.5";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "b0f2ef9eada4a68ef63ee10b6dde4f35c840035c50fd24265f8052c98947d5a4";
+    sha256 = "b10a7ddd03657c761fc503495bc36471c8158e3fc948573fb9fe82a7029d8efd";
   };
 
   prePatch = lib.optionalString stdenv.isDarwin ''
@@ -42,13 +41,12 @@ buildPythonPackage rec {
     jedi
     decorator
     pickleshare
-    simplegeneric
     traitlets
     prompt_toolkit
+    pygments
     pexpect
     backcall
-  ] ++ lib.optionals stdenv.isDarwin [appnope]
-    ++ lib.optionals (pythonOlder "3.5") [ typing ];
+  ] ++ lib.optionals stdenv.isDarwin [appnope];
 
   LC_ALL="en_US.UTF-8";
 
@@ -58,11 +56,6 @@ buildPythonPackage rec {
     nosetests
   '';
 
-  # IPython 6.0.0 and above does not support Python < 3.3.
-  # The last IPython version to support older Python versions
-  # is 5.3.x.
-  disabled = pythonOlder "3.3";
-
   meta = {
     description = "IPython: Productive Interactive Computing";
     homepage = http://ipython.org/;