on Rails 6, there is a deprecation warning, it would be great to have it fixed
DEPRECATION WARNING: Single arity template handlers are deprecated. Template handlers must
now accept two parameters, the view object and the source for the view object.
Change:
>> CsvBuilder::TemplateHandler.call(template)
To:
>> CsvBuilder::TemplateHandler.call(template, source)
on Rails 6, there is a deprecation warning, it would be great to have it fixed