1、WARNING *** file size (48130) not 512 + multiple of sector size (512)
解决办法：
import pandas as pd
import xlrd
wb = xlrd.open_workbook('file.xls', logfile=open(devnull, 'w'))
pd_obj = pd.read_excel(wb, dtype=str, usecols=usecols, skiprows=3, engine='xlrd')```