Traceback (most recent call last):

  File "C:/Users/Administrator/PycharmProjects/untitled/spider/BDTBspider.py", line 150, in <module>

    bdtb.start()

  File "C:/Users/Administrator/PycharmProjects/untitled/spider/BDTBspider.py", line 124, in start

    pageNum = self.getPageNum(page)

  File "C:/Users/Administrator/PycharmProjects/untitled/spider/BDTBspider.py", line 86, in getPageNum

    result = re.search(pattern,page)

  File "C:\Python27\lib\re.py", line 146, in search

    return _compile(pattern, flags).search(string)

TypeError: expected string or buffer