pkgs: self: super: with self; {

  cutadapt = callPackage ./cutadapt.nix { };

  dnaio = callPackage ./dnaio.nix { };

  ghmm = disabledIf isPy3k ( toPythonModule (pkgs.ghmm.override { python2Packages=self; }) ).py;

  openslide = callPackage ./openslide/python.nix { openslide = pkgs.openslide; };

  pybedtools = callPackage ./pybedtools.nix { };

  vtk = disabledIf (!(pythonOlder "3.7")) ( toPythonModule ( pkgs.vtk.overrideAttrs ( attrs: {
    cmakeFlags = attrs.cmakeFlags or [] ++ [ "-DVTK_WRAP_PYTHON:BOOL=ON" ];
    buildInputs = attrs.buildInputs or [] ++ [ python ];
  } ) ) );

  xopen = callPackage ./xopen.nix { };
}