import pymysql
class MysqlPipeline(object):
def __init__(self):
self.conn = None
self.cur = None
def open_spider(self, spider):import pymysql
class MysqlPipeline(object):
import pymysql
class MysqlPipeline(object):
def __init__(self):
self.conn = None
self.cur = None
def open_spider(self, spider):import pymysql
class MysqlPipeline(object):