pythonPackages.redis: 3.1.0 -> 3.3.4

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

@@ -1,18 +1,20 @@
-{ fetchPypi, buildPythonPackage }:
+{ lib, fetchPypi, buildPythonPackage }:
+
 buildPythonPackage rec {
   pname = "redis";
-  version = "3.1.0";
+  version = "3.3.4";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "7ba8612bbfd966dea8c62322543fed0095da2834dbd5a7c124afbc617a156aa7";
+    sha256 = "18n6k113izfqsm8yysrw1a5ba6kv0vsgfz6ab5n0k6k65yvr690z";
   };
 
   # tests require a running redis
   doCheck = false;
 
-  meta = {
+  meta = with lib; {
     description = "Python client for Redis key-value store";
     homepage = "https://pypi.python.org/pypi/redis/";
+    license = with licenses; [ mit ];
   };
 }