ImportError: cannot import name ‘getStringIO‘ from ‘reportlab.lib.utils‘

python 运行出现：ImportError: cannot import name ‘getStringIO’ from ‘reportlab.lib.utils’ (C:UsersadminDesktoptestSuperMarket_Management_System_Djangovenvlibsite-packagesreportlablibutils.py)

解决办法：reportlab版本问题，Change reportlab to version 3.6.6

pip install reportlab==3.6.6

参考：https://github.com/xhtml2pdf/xhtml2pdf/issues/589