class Padrino::Helpers::OutputHelpers::ErbHandler

def capture_from_template(*args, &block)

Force Erb capture not to use safebuffer 
def capture_from_template(*args, &block)
  self.output_buffer = ''
  buf_was = output_buffer
  raw = yield(*args)
  captured = template.instance_variable_get(:@_out_buf)
  self.output_buffer = buf_was
  engine_matches?(block) && !captured.empty? ? captured : raw
end