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')
 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>
<tr><td class='sub'>Wojtek's customized Guix</td><td class='sub right'></td></tr></table>
<table class='tabs'><tr><td>
<a href='/guix/about/'>about</a><a href='/guix/'>summary</a><a href='/guix/refs/?id=926fcb488b756fb5d6c4c129c4348650919e5835'>refs</a><a class='active' href='/guix/log/NEWS'>log</a><a href='/guix/tree/NEWS?id=926fcb488b756fb5d6c4c129c4348650919e5835'>tree</a><a href='/guix/commit/NEWS?id=926fcb488b756fb5d6c4c129c4348650919e5835'>commit</a><a href='/guix/diff/NEWS?id=926fcb488b756fb5d6c4c129c4348650919e5835'>diff</a></td><td class='form'><form class='right' method='get' action='/guix/log/NEWS'>
<input type='hidden' name='id' value='926fcb488b756fb5d6c4c129c4348650919e5835'/><select name='qt'>
<option value='grep'>log msg</option>
<option value='author'>author</option>
<option value='committer'>committer</option>
<option value='range'>range</option>
</select>
<input class='txt' type='search' size='10' name='q' value=''/>
<input type='submit' value='search'/>
</form>
</td></tr></table>
<div class='path'>path: <a href='/guix/log/?id=926fcb488b756fb5d6c4c129c4348650919e5835'>root</a>/<a href='/guix/log/NEWS?id=926fcb488b756fb5d6c4c129c4348650919e5835'>NEWS</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/NEWS?id=926fcb488b756fb5d6c4c129c4348650919e5835&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2021-11-23 10:24:28 +0100'>2021-11-23</span></td><td><a href='/guix/commit/NEWS?id=daf7b5ecef8de0e536ffd8d2957f022d010767a8'>Update NEWS.</a></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2021-09-23 20:02:23 +0200'>2021-09-23</span></td><td><a href='/guix/commit/NEWS?id=ff775440218c4f576d51aa01ce419b1fb786170a'>Update NEWS.</a><span class='msg-avail'>...</span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2021-09-18 23:08:32 +0200'>2021-09-18</span></td><td><a href='/guix/commit/NEWS?id=eb6593cec4b0cedef44bf156e2e6727ead82006c'>Update NEWS.</a></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2021-07-07 23:54:20 -0400'>2021-07-07</span></td><td><a href='/guix/commit/NEWS?id=4cbe0127a668cbcc64087c5d311308b59d39b104'>guix-install.sh: Prompt for configuring substitutes discovery.</a><span class='msg-avail'>...</span></td><td>Maxim Cournoyer</td></tr>
<tr><td><span title='2021-06-29 14:53:21 -0400'>2021-06-29</span></td><td><a href='/guix/commit/NEWS?id=82daab42811a2e3c7684ebdf12af75ff0fa67b99'>pack: Add support for the deb format.</a><span class='msg-avail'>...</span></td><td>Maxim Cournoyer</td></tr>
<tr><td><span title='2021-05-10 13:48:30 -0400'>2021-05-10</span></td><td><a href='/guix/commit/NEWS?id=80dc6ad4a89b68b5e837fc22c9b1322b86527bef'>Update NEWS.</a></td><td>Maxim Cournoyer</td></tr>
<tr><td><span title='2021-05-10 11:21:02 -0400'>2021-05-10</span></td><td><a href='/guix/commit/NEWS?id=7418a200742768d21b567916b25e4d3351472230'>Update NEWS.</a></td><td>Leo Famulari</td></tr>
<tr><td><span title='2021-05-10 11:42:03 +0200'>2021-05-10</span></td><td><a href='/guix/commit/NEWS?id=3a0fcaa0fe721792d1543e863c3fba805376bdac'>Update NEWS.</a></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2021-05-04 16:57:05 +0200'>2021-05-04</span></td><td><a href='/guix/commit/NEWS?id=b37ab28401c55adbb8e36ea2931849636752524d'>Update NEWS.</a></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2020-11-22 20:27:28 +0100'>2020-11-22</span></td><td><a href='/guix/commit/NEWS?id=a099685659b4bfa6b3218f84953cbb7ff9e88063'>Update NEWS.</a></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2020-11-13 09:13:56 +0100'>2020-11-13</span></td><td><a href='/guix/commit/NEWS?id=1e272d42f6217b70c9801b93e46b144e9ab27664'>Update NEWS.</a></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2020-11-09 23:27:09 +0100'>2020-11-09</span></td><td><a href='/guix/commit/NEWS?id=b51da3ccef74e5842b87e39eea839e36831e844e'>Update NEWS.</a></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2020-11-07 19:36:10 +0100'>2020-11-07</span></td><td><a href='/guix/commit/NEWS?id=afa77bd2287f303aefdd00193309ccf57f6dcd93'>Update NEWS.</a></td><td>Mathieu Othacehe</td></tr>
<tr><td><span title='2020-11-07 16:14:03 +0100'>2020-11-07</span></td><td><a href='/guix/commit/NEWS?id=e8b9b0fae076a86e2be1dcb87b666d4490bac0aa'>Update NEWS.</a></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2020-11-05 23:27:22 +0100'>2020-11-05</span></td><td><a href='/guix/commit/NEWS?id=51916455d0bb283489162ef84afc8145b28b012c'>Update NEWS.</a></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2020-04-15 00:02:23 +0200'>2020-04-15</span></td><td><a href='/guix/commit/NEWS?id=d62c9b2671be55ae0305bebfda17b595f33797f2'>Update NEWS.</a></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2020-04-12 17:05:21 +0200'>2020-04-12</span></td><td><a href='/guix/commit/NEWS?id=6945c43754308f64ad177fd29fa515959243f155'>Update NEWS.</a></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2020-04-09 22:56:56 +0200'>2020-04-09</span></td><td><a href='/guix/commit/NEWS?id=f9adf3559543bdbcecad45280c9c626b63e84e95'>Update NEWS.</a></td><td>Ludovic Courtès</td></tr>