Even using the example on the github page, it gives me a crash -
/Library/Ruby/Gems/2.6.0/gems/wordle_decoder-0.1.2/lib/wordle_decoder/wordle_share.rb:8:in `block in final_line?': undefined local variable or method `_1' for WordleDecoder::WordleShare:Class (NameError) from /Library/Ruby/Gems/2.6.0/gems/wordle_decoder-0.1.2/lib/wordle_decoder/wordle_share.rb:8:in `any?' from /Library/Ruby/Gems/2.6.0/gems/wordle_decoder-0.1.2/lib/wordle_decoder/wordle_share.rb:8:in `final_line?' from /Library/Ruby/Gems/2.6.0/gems/wordle_decoder-0.1.2/bin/wordle_decoder:14:in `<top (required)>' from /usr/local/bin/wordle_decoder:23:in `load' from /usr/local/bin/wordle_decoder:23:in `<main>'