undefined method `implode=' for SimpleCaptcha:Module (NoMethodError)

[whiteskull]

config/initializers/simple_captcha.rb:27:in block in <top (required)>': undefined methodimplode=' for SimpleCaptcha:Module (NoMethodError)

simple_captcha.rb

SimpleCaptcha.setup do |sc|

default: 100x28

sc.image_size = '100x34'

default: 5

sc.length = 5

default: simply_blue

possible values:

'embosed_silver',

'simply_red',

'simply_green',

'simply_blue',

'distorted_black',

'all_black',

'charcoal_grey',

'almost_invisible'

'random'

sc.image_style = 'charcoal_grey'

default: low

possible values: 'low', 'medium', 'high', 'random'

sc.distortion = 'medium'

default: medium

possible values: 'none', 'low', 'medium', 'high'

sc.implode = 'low'
end

[mattlaoruckus]

any update on this? i am having a simple issue for 'font=' method