brew tap failed

[mano233]

==> Tapping protop-io/protop
Cloning into '/usr/local/Homebrew/Library/Taps/protop-io/homebrew-protop'...
remote: Enumerating objects: 164, done.
remote: Counting objects: 100% (164/164), done.
remote: Compressing objects: 100% (84/84), done.
remote: Total 164 (delta 40), reused 163 (delta 39), pack-reused 0
Receiving objects: 100% (164/164), 19.54 KiB | 1.22 MiB/s, done.
Resolving deltas: 100% (40/40), done.
Error: Invalid formula: /usr/local/Homebrew/Library/Taps/protop-io/homebrew-protop/Formula/protop.rb
protop: wrong number of arguments (given 1, expected 0)
Error: Cannot tap protop-io/protop: invalid syntax in tap!

[Halfi]

Same thing. Is there any updates?