Match ZipArchive under Py3k to others:

Return binary lines.

compoze/indexer.py

@@ -9,7 +9,7 @@
 import zipfile
 
 from compoze._compat import StringIO
-from compoze._compat import must_decode
+from compoze._compat import must_encode
 
 
 class TarArchive:
@@ -46,7 +46,7 @@ def names(self):
     def lines(self, name):
         if self.closed:
             raise IOError('closed')
-        return must_decode(self.zipf.read(name)).split('\n')
+        return must_encode(self.zipf.read(name)).split(b'\n')
 
     def extract(self, name, tempdir):
         if self.closed:

compoze/tests/test_indexer.py

@@ -40,8 +40,9 @@ def test_lines(self):
         archive = self._makeOne()
         name = self._fixtureFiles()[0]['name']
         lines = archive.lines(name)
-        self.assertEqual(lines[:2], ['This is the first line of text file 1.',
-                                     'This is the second line of text file 1.'])
+        self.assertEqual(lines[:2],
+                         [b'This is the first line of text file 1.',
+                          b'This is the second line of text file 1.'])
 
     def test_extract(self):
         import os