docs: def lines_from_stream(f, as_interned=False):
      """
      Create a list of file lines from a given file stream.
  
      Args:
          f (io.TextIOWrapper): File stream
          as_interned (bool): List of "interned" strings (default False)
  
      Returns:
          strings (list): File line list
      """
      if as_interned:
          return [sys.intern(line) for line in f.read().splitlines()]
      return f.read().splitlines()