Re: template tag help please?

Thank you Andreas Kuhne, progress

 

So this {% load get_cost %}{% do_cost b.name avn avd %} was working quite happily but for some reason is now complaining

Exception Type:	TemplateSyntaxError
Exception Value:	Caught KeyError while rendering: 'avn'

Exception Location claims to be    get_cost.py in do_cost, line 10  which is avn = kwargs['avn']

but the exception is in the template line {% load get_cost %}{% do_cost b.name avn avd %}

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