Bug#626532: python-apt: get_changelog doesn't work for Py3k

[Tshepang Lekhonkhobe <tshepang@gmail.com>]

Package: python-apt
Version: 0.8.0~exp4
Severity: important
Tags: patch

With Py3k, there is an infinite loop inside of get_changelog.
It's a bytes vs. string issue I guess.

=== modified file 'apt/package.py'
--- apt/package.py	2011-04-12 13:23:17 +0000
+++ apt/package.py	2011-05-12 17:16:32 +0000
@@ -1142,7 +1142,7 @@
                         return u""
                     # Read changelog line by line
                     line_raw = changelog_file.readline()
-                    if line_raw == "":
+                    if not line_raw:
                         break
                     # The changelog is encoded in utf-8, but since there isn't
                     # any http header, urllib2 seems to treat it as ascii