pip install dropbox2
或者:
wgte
https://files.pythonhosted.org/packages/88/c9/899c5d112eb4aa48fb611153c2f2eadafd859cbdee637b376d140a60e50d/dropbox-9.4.0.tar.gz
解压进行解压目录后
python setup.py install
pip install dropbox2