# File lib/faraday/error.rb, line 8
    def initialize(ex, response = nil)
      @wrapped_exception = nil
      @response = response

      if ex.respond_to?(:backtrace)
        super(ex.message)
        @wrapped_exception = ex
      elsif ex.respond_to?(:each_key)
        super("the server responded with status #{ex[:status]}")
        @response = ex
      else
        super(ex.to_s)
      end
    end