Log Message:
py-pyftpdlib: updated to 1.5.7

Version: 1.5.7 - 2022-10-04
===========================

**Enhancements**

- replace Travis with Github Actions for CI testing.

**Bug fixes**

- fix [WinError 10038] an operation was attempted on something that is
  not a socket.  (patch by Tailing Yuan)
- [critical]: FTPS broke with PyOpenSSL version 22.1.0.