code: def find_one(self, id_, raw=True, recovery_name=True):
          
              
          url = "https://api.knackhq.com/v1/objects/%s/records/%s" % (
              self.key, id_)
          res = self.get(url)
          
          if raw:
              try:
                  res = self.get_raw_values(res, recovery_name=recovery_name)
              except:
                  pass
          else:
              try:
                  res = self.get_html_values(res, recovery_name=recovery_name)
              except:
                  pass
          return res
docs: Find one record.
          
          Ref: http://helpdesk.knackhq.com/support/solutions/articles/5000446111-api-reference-root-access#retrieve
          
          :param id_: record id_
          :param using_name: if you are using field name in filter and sort_field, 
            please set using_name = True (it's the default), otherwise, False
          :param raw: Default True, set True if you want the data in raw format. 
            Otherwise, html format
          :param recovery_name: Default True, set True if you want field name 
            instead of field key
            
          **中文文档**
          
          返回一条记录