Version extensions not working

[miguelpeniche]

This both codes keeps uploading all images to S3 with .jpg extension, i am using rails (4.2.6), carrierwave (1.0.0), ruby 2.3.1, fog (1.38.0), fog-aws (1.1.0)

class UserAvatarUploader < CarrierWave::Uploader::Base

    include CarrierWave::MiniMagick

    version :large do
        process resize_to_fit: [ 600, 600 ], convert: :jpg
    end

    version :small do
        process resize_to_fill: [ 216, 216 ], convert: :jpg
    end

    version :thumb do
        process resize_to_fill: [ 80, 80 ], convert: :png
    end

    version :tiny do
        process resize_to_fill: [ 50, 50 ], convert: :png
    end

    def filename
        "#{secure_token}.#{file.extension}" if original_filename.present?
    end

    protected

    def secure_token
        var = :"@#{mounted_as}_secure_token"
        model.instance_variable_get(var) or model.instance_variable_set(var, SecureRandom.uuid)
    end

end

class UserAvatarUploader < CarrierWave::Uploader::Base

    include CarrierWave::MiniMagick

    version :large do
        process resize_to_fit: [ 600, 600 ], convert: :jpg
    end

    version :small do
        process resize_to_fill: [ 216, 216 ], convert: :jpg
    end

    version :thumb do
        process resize_to_fill: [ 80, 80 ], convert: :png
    end

    version :tiny do
        process resize_to_fill: [ 50, 50 ], convert: :png
    end

end