```ruby
require 'yaml'
require 'ostruct'
require 'erb'
require 'tmuxinator/helper'
require 'tmuxinator/cli'
require 'tmuxinator/config_writer'

TMUX_TEMPLATE  = "#{File.dirname(__FILE__)}/assets/tmux_config.tmux"

module Tmuxinator
end
```

Fix for improperly set template constant
user
```ruby
require 'yaml'
require 'ostruct'
require 'erb'
require 'tmuxinator/helper'
require 'tmuxinator/cli'
require 'tmuxinator/config_writer'

TMUX_TEMPLATE  = "#{File.dirname(__FILE__)}/tmuxinator/assets/tmux_config.tmux"

module Tmuxinator
end
```
assistant