code: def get_tmuxinator_dir():
      
      if 'TMUXINATOR_CONFIG' in os.environ:
          return os.path.expanduser(os.environ['TMUXINATOR_CONFIG'])
  
      return os.path.expanduser('~/.tmuxinator/')
docs: Return tmuxinator configuration directory.
  
      Checks for ``TMUXINATOR_CONFIG`` environmental variable.
  
      Returns
      -------
      str :
          absolute path to tmuxinator config directory
  
      See Also
      --------
      :meth:`tmuxp.config.import_tmuxinator`