module VCR::Normalizers::Body

def initialize(*args) 

def initialize(*args)
  super
  if body && !body.is_a?(String)
    raise ArgumentError, "#{self.class} initialized with an invalid (non-String) body of class #{body.class}: #{body.inspect}."
  end
  # Ensure that the body is a raw string, in case the string instance
  # has been subclassed or extended with additional instance variables
  # or attributes, so that it is serialized to YAML as a raw string.
  # This is needed for rest-client.  See this ticket for more info:
  # http://github.com/myronmarston/vcr/issues/4
  self.body = String.new(body.to_s)
end