1 files changed, 4 insertions, 4 deletions
diff --git a/nixpkgs/pkgs/development/python-modules/nltk/default.nix b/nixpkgs/pkgs/development/python-modules/nltk/default.nix
index eb715c91e50d..27e17daa372a 100644
--- a/nixpkgs/pkgs/development/python-modules/nltk/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/nltk/default.nix
@@ -1,4 +1,4 @@
-{ fetchPypi, buildPythonPackage, lib, six, singledispatch ? null, isPy3k
+{ fetchPypi, buildPythonPackage, lib, isPy3k
 , click
 , joblib
 , regex
@@ -6,13 +6,13 @@
 }:
 
 buildPythonPackage rec {
-  version = "3.6.5";
+  version = "3.6.7";
   pname = "nltk";
 
   src = fetchPypi {
     inherit pname version;
     extension = "zip";
-    sha256 = "834d1a8e38496369390be699be9bca4f2a0f2175b50327272b2ec7a98ffda2a0";
+    sha256 = "51bf1aef5304740a708be7c8e683f7798f03dc5c7a7e7feb758be9e95f4585e3";
   };
 
   propagatedBuildInputs = [
@@ -20,7 +20,7 @@ buildPythonPackage rec {
     joblib
     regex
     tqdm
-  ] ++ lib.optional (!isPy3k) singledispatch;
+  ];
 
   # Tests require some data, the downloading of which is impure. It would
   # probably make sense to make the data another derivation, but then feeding