code: def reuse_dist_file(filename):
      
      # if target file doesn't exist, we must generate it
      if not os.path.isfile(filename):
          return False
  
      # if we can interact with git, we can regenerate it, so we may as well
      try:
          import git
      except ImportError:
          return True
      else:
          try:
              git.Repo().tags
          except (TypeError, git.GitError):
              return True
          else:
              return False
docs: Returns `True` if a distribution file can be reused
  
      Otherwise it should be regenerated