def check_for_errors(response)
      # Check for error code.
      if response.code != 200
        # Check for error in body.
        report_body = response.body
        check_for_xml_error(report_body, response.code)
        # No XML error found nor raised, falling back to a default message.
        raise AdwordsApi::Errors::ReportError.new(response.code,
            'HTTP code: %d, body: %s' % [response.code, response.body])
      end
      return nil
    end
def check_for_errors(response)
      # Check for error code.
      if response.code != 200
        # Check for error in body.
        report_body = response.body
        check_for_xml_error(report_body, response.code)
        # No XML error found nor raised, falling back to a default message.
        raise AdwordsApi::Errors::ReportError.new(response.code,
            'HTTP code: %d, body: %s' % [response.code, response.body])
      end
      return nil
    end
Checks downloaded data for error signature. Raises ReportError if it
 detects an error.