# lex_token.py # # t_error defined, but not function import sys sys.path.insert(0,"..") import ply.lex as lex tokens = [ "PLUS", "MINUS", "NUMBER", ] t_PLUS = r'\+' t_MINUS = r'-' t_NUMBER = r'\d+' t_error = "foo" sys.tracebacklimit = 0 lex.lex()