抓取数据后导入数据库报错

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抓取完数据,向数据库导入报错,该怎么修改呢?抓取完数据向数据库导入报错

url动态拼接,{}是需要替换的动态值吗?
url修改为:

 url='https://sjz.lianjia.com/zufang/pg'+str(i)+'/#contentList'

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把变量值传入url:

url = "https://sjz.lianjia.com/zufang/pg{pg_num}/#contentList".format(pg_num=x)

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```**

url='https://sjz.lianjia.com/zufang/ pg{}/# contentList'. format(i)