Arch Linux

Description:
# reflector --verbose --sort rate --latest 20 --protocol https --save /etc/pacman.d/mirrorlist

[2019-03-07 20:06:43] INFO: rating https://mirror.f4st.host/archlinux/
[2019-03-07 20:06:43] INFO: rating https://ftp.halifax.rwth-aachen.de/archlinux/
[2019-03-07 20:06:43] INFO: rating https://mirror.dkm.cz/archlinux/
[2019-03-07 20:06:43] INFO: rating https://arch.mirror.constant.com/
[2019-03-07 20:06:43] INFO: rating https://archlinux.dynamict.se/
[2019-03-07 20:06:43] INFO: rating https://ftp.sh.cvut.cz/arch/
[2019-03-07 20:06:43] INFO: rating https://mirror.cyberbits.eu/archlinux/
[2019-03-07 20:06:43] INFO: rating https://mirrors.n-ix.net/archlinux/
[2019-03-07 20:06:43] INFO: rating https://mirror.hactar.xyz/
[2019-03-07 20:06:43] INFO: rating https://mirrors.atviras.lt/archlinux/
[2019-03-07 20:06:43] INFO: rating https://archlinux.mailtunnel.eu/
[2019-03-07 20:06:43] INFO: rating https://mirror.pseudoform.org/
[2019-03-07 20:06:43] INFO: rating https://mirror.lty.me/archlinux/
[2019-03-07 20:06:43] INFO: rating https://mirror.aur.rocks/
[2019-03-07 20:06:43] INFO: rating https://ind.mirror.pkgbuild.com/
[2019-03-07 20:06:43] INFO: rating https://jpn.mirror.pkgbuild.com/
[2019-03-07 20:06:43] INFO: rating https://mex.mirror.pkgbuild.com/
[2019-03-07 20:06:43] INFO: rating https://sgp.mirror.pkgbuild.com/
[2019-03-07 20:06:43] INFO: rating https://mirrors.nxthost.com/archlinux/
[2019-03-07 20:06:43] INFO: rating https://arch.jensgutermuth.de/
[2019-03-07 20:06:52] INFO: Server Rate Time
[2019-03-07 20:06:52] INFO: https://archlinux.dynamict.se/ 462.42 KiB/s 0.29 s
[2019-03-07 20:06:52] INFO: https://mirror.dkm.cz/archlinux/ 462.19 KiB/s 0.29 s
[2019-03-07 20:06:52] INFO: https://ftp.halifax.rwth-aachen.de/archlinux/ 556.12 KiB/s 0.24 s
[2019-03-07 20:06:52] INFO: https://mirror.f4st.host/archlinux/ 689.71 KiB/s 0.19 s
[2019-03-07 20:06:52] INFO: https://arch.mirror.constant.com/ 263.96 KiB/s 0.50 s
[2019-03-07 20:06:52] INFO: https://mirrors.n-ix.net/archlinux/ 743.92 KiB/s 0.18 s
[2019-03-07 20:06:52] INFO: https://mirrors.atviras.lt/archlinux/ 646.20 KiB/s 0.21 s
[2019-03-07 20:06:52] INFO: https://mirror.hactar.xyz/ 403.24 KiB/s 0.33 s
[2019-03-07 20:06:52] INFO: https://archlinux.mailtunnel.eu/ 657.75 KiB/s 0.20 s
[2019-03-07 20:06:52] INFO: https://ftp.sh.cvut.cz/arch/ 247.91 KiB/s 0.54 s
[2019-03-07 20:06:52] INFO: https://mirror.cyberbits.eu/archlinux/ 490.92 KiB/s 0.27 s
[2019-03-07 20:06:52] INFO: https://mirror.pseudoform.org/ 1182.85 KiB/s 0.11 s
[2019-03-07 20:06:52] INFO: https://mirror.aur.rocks/ 747.77 KiB/s 0.18 s
[2019-03-07 20:06:52] INFO: https://mirror.lty.me/archlinux/ 300.16 KiB/s 0.44 s
[2019-03-07 20:06:52] INFO: https://mex.mirror.pkgbuild.com/ 322.45 KiB/s 0.41 s
[2019-03-07 20:06:52] INFO: https://ind.mirror.pkgbuild.com/ 259.81 KiB/s 0.51 s
[2019-03-07 20:06:52] INFO: https://jpn.mirror.pkgbuild.com/ 247.16 KiB/s 0.54 s
[2019-03-07 20:06:52] INFO: https://sgp.mirror.pkgbuild.com/ 295.60 KiB/s 0.45 s
[2019-03-07 20:06:52] INFO: https://arch.jensgutermuth.de/ 923.67 KiB/s 0.14 s
Traceback (most recent call last):
File "/usr/lib/python3.7/runpy.py", line 193, in _run_module_as_main
"__main__", mod_spec)
File "/usr/lib/python3.7/runpy.py", line 85, in _run_code
exec(code, run_globals)
File "/usr/lib/python3.7/site-packages/Reflector.py", line 915, in <module>
run_main(configure_logging=True)
File "/usr/lib/python3.7/site-packages/Reflector.py", line 909, in run_main
main(args, **kwargs)
File "/usr/lib/python3.7/site-packages/Reflector.py", line 881, in main
mirrors = list(mirrors)
File "/usr/lib/python3.7/site-packages/Reflector.py", line 573, in sort
yield from sort(mirrors, n_threads=self.threads, **kwargs)
File "/usr/lib/python3.7/site-packages/Reflector.py", line 176, in sort
rates = rate(mirrors, n_threads=n_threads)
File "/usr/lib/python3.7/site-packages/Reflector.py", line 308, in rate
logger.info(fmt.format(url, kibps, dt))
TypeError: unsupported format string passed to NoneType.__format__


Additional info:
* package version: 2019.