1 files changed, 4 insertions, 2 deletions
diff --git a/nixpkgs/pkgs/development/python-modules/pytools/default.nix b/nixpkgs/pkgs/development/python-modules/pytools/default.nix
index 7321fbef0d6..f8f9ef27ff9 100644
--- a/nixpkgs/pkgs/development/python-modules/pytools/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/pytools/default.nix
@@ -1,6 +1,7 @@
 { lib
 , buildPythonPackage
 , fetchPypi
+, pythonOlder
 , decorator
 , appdirs
 , six
@@ -10,11 +11,12 @@
 
 buildPythonPackage rec {
   pname = "pytools";
-  version = "2019.1.1";
+  version = "2020.4";
+  disabled = pythonOlder "3.6";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "ce2d702ae4ef10a70197b00b93141461140d00578f2a862fa946ca1446a300db";
+    sha256 = "37db39ff11a1b5fc8aec875ae4ddb3d6c21aa0e95bddc9c841aa98e1631ae460";
   };
 
   checkInputs = [ pytest ];