--- a/paint/package.py	Fri Mar 30 14:44:12 2012 -0700
+++ b/paint/package.py	Fri Mar 30 15:06:17 2012 -0700
@@ -55,7 +55,7 @@
         # unpack if an archive
         if self._is_archive(src):
             try:
-                self.unpack(src)
+                self._unpack(src)
             finally:
                 if tmpfile:
                     os.remove(tmpfile)
@@ -74,7 +74,7 @@
         fp.close()
         return filename
 
-    def unpack(self, archive):
+    def _unpack(self, archive):
         """unpack the archive to a temporary destination"""
         # TODO: should handle zipfile additionally at least
         # Ideally, this would be pluggable, etc
@@ -84,7 +84,7 @@
         members = tf.getmembers()
 
         # cut off the top level directory
-        assert not [i for i in members if not os.path.sep in i.name]
+        members = [i for i in members if os.path.sep in i.name]
         tld = set()
         for member in members:
             directory, member.name = member.name.split(os.path.sep, 1)