[Zope] ZGDChart Error

[AM]

I have simple instance of ZGDChart called chart_fam_data:

with the following python script for data method:

op = int(container.REQUEST.get('op',0))
return [('x',op),('2x',op*2)]


URL: http://somedomain/chart_fam_data?op=0

Error generated:

*Error Type: TypeError*
*Error Value: chart requires at least 5 arguments; 3 given*

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Traceback (innermost last):

    * Module ZPublisher.Publish, line 98, in publish
    * Module ZPublisher.mapply, line 88, in mapply
    * Module ZPublisher.Publish, line 39, in call_object
    * Module Products.ZGDChart.ZGDChart, line 620, in index_html
    * Module Products.ZGDChart.ZGDChart, line 802, in _chart

TypeError: chart requires at least 5 arguments; 3 given

Any help would be greatly appreciated.

TIA
AM

-- 
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 Aseem Mohanty							   
 Neurobehavioral Systems Inc, 828 San Pablo Ave, Albany, CA 94706 
 (R) 510 7696011 (M) 510 3014871 (O) 510 5279231		  	
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 "I saw `cout' being shifted "Hello world" times to the left and  
  stopped right there!!"                        -- Steve Gonedes  
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