custom query bug with MasterTicketsPlugin installed

[Max Zorloff]

open custom query, add Blocking, contains 4 for example. Hit update and:

Traceback (most recent call last):

File "/usr/local/lib/python2.5/site-packages/trac/web/main.py", line 387, in dispatch_request

dispatcher.dispatch(req)

File "/usr/local/lib/python2.5/site-packages/trac/web/main.py", line 240, in dispatch

*resp)

File "/usr/local/lib/python2.5/site-packages/trac/web/main.py", line 269, in _post_process_request

content_type)

File "build/bdist.linux-i686/egg/paginate/web_ui.py", line 42, in post_process_request

results_dict = walk_hdf(req.hdf.getObj('query.results').child())

AttributeError: 'NoneType' object has no attribute 'child'