def error_message(response)
      method = response[:method].to_s.upcase
      url = response[:url].to_s
      status = response[:body][:status]
      error = response[:body][:error]
      "#{method} #{url}: #{status} - #{error}"
    end
def error_message(response)
      method = response[:method].to_s.upcase
      url = response[:url].to_s
      status = response[:body][:status]
      error = response[:body][:error]
      "#{method} #{url}: #{status} - #{error}"
    end
Internal: Parse the response and return a human friendly String
 representing the error that we received.

 Returns a String.