local variable 'y' referenced before assignment

[Haw Loeung]

Hi,

UnboundLocalError at /graphs/RabbitMQQueues/
local variable 'y' referenced before assignment
Request Method: GET
Request URL: https://xxx/graphs/RabbitMQQueues/
Exception Type: UnboundLocalError
Exception Value:
local variable 'y' referenced before assignment
Exception Location: /srv/xxx/python-packages/pycairochart/CairoChart.py in draw_lines, line 632
Python Executable: /usr/bin/python
Python Version: 2.6.5
Python Path: ['/srv/xxx/python-packages', '/usr/lib/python2.6', '/usr/lib/python2.6/plat-linux2', '/usr/lib/python2.6/lib-tk', '/usr/lib/python2.6/lib-old', '/usr/lib/python2.6/lib-dynload', '/usr/lib/python2.6/dist-packages', '/usr/lib/python2.6/dist-packages/PIL', '/usr/lib/pymodules/python2.6', '/usr/local/lib/python2.6/dist-packages']
Server time: Wed, 22 Feb 2012 02:33:18 +0000

Any chance we could have this fixed?