python3.pkgs.ipython: 7.5.0 -> 7.6.1

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

···
 
 buildPythonPackage rec {
   pname = "ipython";
-  version = "7.5.0";
+  version = "7.6.1";
   disabled = pythonOlder "3.5";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "e840810029224b56cd0d9e7719dc3b39cf84d577f8ac686547c8ba7a06eeab26";
+    sha256 = "11067ab11d98b1e6c7f0993506f7a5f8a91af420f7e82be6575fcb7a6ca372a0";
   };
 
   prePatch = lib.optionalString stdenv.isDarwin ''
     substituteInPlace setup.py --replace "'gnureadline'" " "
   '';
-
-  patches = [
-    (fetchpatch {
-      url = "https://github.com/ipython/ipython/commit/e1b53e9ef91a43b9e275bb9e48b4253218375d87.patch";
-      sha256 = "sha256:0q7zsgalwxss6aikhakbdkvvz0g4ac4sa3ncrklm74ksqh56rsgb";
-    })
-  ];
 
   buildInputs = [ glibcLocales ];