pythonPackages.llfuse-0-41: move into attic

because that's the only expression using this older version.

pkgs/tools/backup/attic/default.nix

@@ -1,6 +1,32 @@
-{ stdenv, fetchzip, python3Packages, openssl, acl }:
+{ stdenv, fetchzip, python3Packages, openssl, acl, fetchurl, pkgconfig, fuse, attr, which }:
 
-python3Packages.buildPythonApplication rec {
+let
+
+  # Old version needed for attic (backup program) due to breaking change in
+  # llfuse >= 0.42.
+  llfuse-0-41 = python3Packages.buildPythonPackage rec {
+    name = "llfuse-0.41.1";
+    src = fetchurl {
+      url = "mirror://pypi/l/llfuse/${name}.tar.bz2";
+      sha256 = "1imlqw9b73086y97izr036f58pgc5akv4ihc2rrf8j5h75jbrlaa";
+    };
+    buildInputs = with python3Packages; [ pytest pkgconfig fuse attr which ];
+    propagatedBuildInputs = with python3Packages; [ contextlib2 ];
+    checkPhase = ''
+      py.test
+    '';
+    # FileNotFoundError: [Errno 2] No such file or directory: '/usr/bin'
+    doCheck = false;
+    meta = {
+      description = "Python bindings for the low-level FUSE API";
+      homepage = https://code.google.com/p/python-llfuse/;
+      license = stdenv.lib.licenses.lgpl2Plus;
+      platforms = stdenv.lib.platforms.unix;
+      maintainers = with stdenv.lib.maintainers; [ bjornfor ];
+    };
+  };
+
+in python3Packages.buildPythonApplication rec {
   name = "attic-${version}";
   version = "0.16";
   namePrefix = "";