In case of 'AttributeError', 'value' is None, so do not try to
access it.
Submitted upstream.

--- pybugz-0.6.11/bugz.py	2006-09-02 14:35:37.000000000 +0200
+++ pybugz-0.6.11/bugz.py	2014-05-05 16:02:20.000000000 +0200
@@ -1249,9 +1254,9 @@ class PrettyBugz(Bugz):
         for field, name in FIELDS + MORE_FIELDS:
             try:
                 value = result.find('//%s' % field).text
+                print '%-12s: %s' % (name, value.encode(self.enc))
             except AttributeError:
                 continue
-            print '%-12s: %s' % (name, value.encode(self.enc))
 
         # Print out the cc'ed people
         cced = result.findall('.//cc')
8cc45175205391795'/><select name='h' onchange='this.form.submit();'>
<option value='koszko' selected='selected'>koszko</option>
<option value='koszko-scripts'>koszko-scripts</option>
</select> <input type='submit' value='switch'/></form></td></tr>
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<div class='path'>path: <a href='/guix/log/?id=14b9203d01f7ca35e13908e8cc45175205391795'>root</a>/<a href='/guix/log/gnu?id=14b9203d01f7ca35e13908e8cc45175205391795'>gnu</a>/<a href='/guix/log/gnu/packages?id=14b9203d01f7ca35e13908e8cc45175205391795'>packages</a>/<a href='/guix/log/gnu/packages/dunst.scm?id=14b9203d01f7ca35e13908e8cc45175205391795'>dunst.scm</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/guix/log/gnu/packages/dunst.scm?id=14b9203d01f7ca35e13908e8cc45175205391795&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2019-03-31 20:51:10 +0300'>2019-03-31</span></td><td><a href='/guix/commit/gnu/packages/dunst.scm?id=36a4366d79a310d05db0de2cf6d5bb3c5e861d4b'>gnu: Fix descriptions to not use quotes.</a><span class='msg-avail'>...</span></td><td>Efraim Flashner</td></tr>
<tr><td><span title='2018-07-09 19:26:05 +0300'>2018-07-09</span></td><td><a href='/guix/commit/gnu/packages/dunst.scm?id=e311ef4f87f7ad8db2114e5f89961eea0240893b'>gnu: dunst: Add svg support.</a><span class='msg-avail'>...</span></td><td>Alex Kost</td></tr>
<tr><td><span title='2018-05-17 01:01:54 +0200'>2018-05-17</span></td><td><a href='/guix/commit/gnu/packages/dunst.scm?id=8e0c5d44d1f016071b06479c39da98fc0b8402d6'>gnu: dunst: Update to 1.3.2.</a><span class='msg-avail'>...</span></td><td>Tobias Geerinckx-Rice</td></tr>