1 files changed, 5 insertions, 2 deletions
diff --git a/nixpkgs/pkgs/development/python-modules/biopython/default.nix b/nixpkgs/pkgs/development/python-modules/biopython/default.nix
index 76de4c39054..f96b8447e8a 100644
--- a/nixpkgs/pkgs/development/python-modules/biopython/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/biopython/default.nix
@@ -2,17 +2,20 @@
 , buildPythonPackage
 , fetchPypi
 , numpy
+, isPy3k
 }:
 
 buildPythonPackage rec {
   pname = "biopython";
-  version = "1.76";
+  version = "1.77";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "0wlch9xpa0fpgjzyxi6jsfca6iakaq9a05927xg8vqnmvaccnwrq";
+    sha256 = "fb1936e9ca9e7af8de1050e84375f23328e04b801063edf0ad73733494d8ec42";
   };
 
+  disabled = !isPy3k;
+
   propagatedBuildInputs = [ numpy ];
   # Checks try to write to $HOME, which does not work with nix
   doCheck = false;