Traceback (most recent call last):

 "/home/docs/checkouts/readthedocs.org/user_builds/cvxpy/envs/latest/local/lib/python2.7/site-packages/sphinx/ext/autodoc.py", line 335, in import_object
**import**(self.modname)

 "/var/build/user_builds/cvxpy/checkouts/latest/cvxpy/**init**.py", line 20, in <module>
from atoms import *

 "/var/build/user_builds/cvxpy/checkouts/latest/cvxpy/atoms/**init**.py", line 20, in <module>
from geo_mean import geo_mean

 "/var/build/user_builds/cvxpy/checkouts/latest/cvxpy/atoms/geo_mean.py", line 20, in <module>
from atom import Atom

 "/var/build/user_builds/cvxpy/checkouts/latest/cvxpy/atoms/atom.py", line 20, in <module>
from .. import settings as sImportError: cannot import name settings
Traceback (most recent call last):


 "D:\python_work\weiboSpider\weibo_spider\writer\csv_writer.py", line 25, in __init__

with open(self.file_path, 'a', encoding='utf-8-sig',
TypeError: expected str, bytes or os.PathLike object, not NoneType
