anchor.diff:      description = "TensorFlow helps the tensors flow";
       homepage = http://tensorflow.org;
       license = licenses.asl20;
  +    maintainers = with maintainers; [ jpbernardy ];
       platforms = with platforms; if cudaSupport then linux else linux ++ darwin;
     };
   }
  
positive.code: , six
  , protobuf3_2
  , swig
  , mock
  , gcc
  , zlib
  
negative.code:         darwin.cpu = {
            py2 = {
              url = tfurl "mac" "cpu" "py2-none-any" ;
              sha256 = "1fgf26lw0liqxc9pywc8y2mj8l1mv48nhkav0pag9vavdacb9mqr";
            };
            py3 = {
              url = tfurl "mac" "cpu" "py3-none-any" ;
              sha256 = "0z5p1fra7bih0vqn618i2w3vyy8d1rkc72k7bmjq0rw8msl717ia";
            };
          };
          linux-x86_64.cpu = {
            py2 = {
              url = tfurl "linux" "cpu" "cp27-none-linux_x86_64";
              sha256 = "0ld3hqx3idxk0zcrvn3p9yqnmx09zsj3mw66jlfw6fkv5hznx8j2";
            };
            py3 = {
              url = tfurl "linux" "cpu" "cp35-cp35m-linux_x86_64";
              sha256 = "0ahz9222rzqrk43lb9w4m351klkm6mlnnvw8xfqip28vbmymw90b";
            };
          };
          linux-x86_64.cuda = {
            py2 = {
              url = tfurl "linux" "gpu" "cp27-none-linux_x86_64";
              sha256 = "1baa9jwr6f8f62dyx6isbw8yyrd0pi1dz1srjblfqsyk1x3pnfvh";
            };
            py3 = {
              url = tfurl "linux" "gpu" "cp35-cp35m-linux_x86_64";
              sha256 = "0606m2awy0ifhniy8lsyhd0xc388dgrwksn87989xlgy90wpxi92";
            };
          };
        };
  