Cannot Install

[myzinsky]

Cloning into '/usr/local/Homebrew/Library/Taps/ttrftech/homebrew-gnuradio'...
remote: Enumerating objects: 42, done.
remote: Total 42 (delta 0), reused 0 (delta 0), pack-reused 42
Receiving objects: 100% (42/42), 10.82 KiB | 369.00 KiB/s, done.
Resolving deltas: 100% (18/18), done.
Error: Invalid formula: /usr/local/Homebrew/Library/Taps/ttrftech/homebrew-gnuradio/gnuradio.rb
gnuradio: Invalid bottle tag symbol
Error: Invalid formula: /usr/local/Homebrew/Library/Taps/ttrftech/homebrew-gnuradio/gr-osmosdr.rb
invalid attribute for formula 'ttrftech/gnuradio/gr-osmosdr': version (nil)
Error: Cannot tap ttrftech/gnuradio: invalid syntax in tap!