1# lex_token.py 2# 3# Tests for absence of tokens variable 4 5import lex 6 7t_PLUS = r'\+' 8t_MINUS = r'-' 9t_NUMBER = r'\d+' 10 11def t_error(t): 12 pass 13 14import sys 15sys.tracebacklimit = 0 16 17lex.lex() 18 19 20