When I try to follow the tutorial to setup development environment, Im getting the following error/usr/local/lib/ruby/gems/3.1.0/gems/mustermann-1.0.3/lib/mustermann/regular.rb:22:in initialize': wrong number of arguments (given 2, expected 1) (ArgumentError)
from /usr/local/lib/ruby/gems/3.1.0/gems/mustermann-1.0.3/lib/mustermann/pattern.rb:59:in new' from /usr/local/lib/ruby/gems/3.1.0/gems/mustermann-1.0.3/lib/mustermann/pattern.rb:59:in block in new'
from /usr/local/lib/ruby/gems/3.1.0/gems/mustermann-1.0.3/lib/mustermann/equality_map.rb:43:in fetch' from /usr/local/lib/ruby/gems/3.1.0/gems/mustermann-1.0.3/lib/mustermann/pattern.rb:59:in new'
from /usr/local/lib/ruby/gems/3.1.0/gems/mustermann-1.0.3/lib/mustermann.rb:67:in new' from /usr/local/lib/ruby/gems/3.1.0/gems/mustermann-1.0.3/lib/mustermann.rb:70:in block in new'
from /usr/local/lib/ruby/gems/3.1.0/gems/mustermann-1.0.3/lib/mustermann.rb:70:in map' from /usr/local/lib/ruby/gems/3.1.0/gems/mustermann-1.0.3/lib/mustermann.rb:70:in new'
from /usr/local/lib/ruby/gems/3.1.0/gems/sinatra-2.0.4/lib/sinatra/base.rb:1641:in compile' from /usr/local/lib/ruby/gems/3.1.0/gems/sinatra-2.0.4/lib/sinatra/base.rb:1629:in compile!'
from /usr/local/lib/ruby/gems/3.1.0/gems/sinatra-2.0.4/lib/sinatra/base.rb:1271:in error' from /usr/local/lib/ruby/gems/3.1.0/gems/sinatra-2.0.4/lib/sinatra/base.rb:1838:in class:Base'
from /usr/local/lib/ruby/gems/3.1.0/gems/sinatra-2.0.4/lib/sinatra/base.rb:894:in <module:Sinatra>' from /usr/local/lib/ruby/gems/3.1.0/gems/sinatra-2.0.4/lib/sinatra/base.rb:22:in <top (required)>'
from /usr/local/lib/ruby/gems/3.1.0/gems/sinatra-2.0.4/lib/sinatra/main.rb:1:in require' from /usr/local/lib/ruby/gems/3.1.0/gems/sinatra-2.0.4/lib/sinatra/main.rb:1:in <top (required)>'
from /usr/local/lib/ruby/gems/3.1.0/gems/sinatra-2.0.4/lib/sinatra.rb:1:in require' from /usr/local/lib/ruby/gems/3.1.0/gems/sinatra-2.0.4/lib/sinatra.rb:1:in <top (required)>'
from template_server.rb:1:in require' from template_server.rb:1:in