【错误处理】【python】pyinstaller打包出错、pkg_resources.DistributionNotFound

error：
pkg_resources.DistributionNotFound: The ‘cryptography>=2.1.4’ distribution was not found and is required

error:

pyinstaller打包时很多dll找不到

解决方案

pip install cryptography
pip install lxml
pip install networkx
pip install future