问题：RuntimeError: 'cryptography' package is required for sha256_password or caching_sha2_password auth methods
这个错误通常是由于在使用MySQL数据库时，未安装或功能不完整的“cryptography”包所引起的，所以下载“cryptography”
这个包即可！！！
解决思路：
pip install cryptography
- password RuntimeError cryptography caching_sha shapassword runtimeerror cryptography caching_sha authentication caching_sha password caching authentication caching_sha password navicat authentication caching_sha password错误 caching_sha插件password身份 caching_sha password错误caching mysql authentication caching_sha password caching_sha password caching plugin authentication caching_sha navicate password caching_sha password caching navicat