1 ./yacc_badrule.py:25: Syntax error. Expected ':'
2 ./yacc_badrule.py:29: Syntax error in rule 'statement'
3 ./yacc_badrule.py:34: Syntax error. Expected ':'
4 ./yacc_badrule.py:43: Syntax error. Expected ':'
5 ply.yacc.YaccError: Unable to construct parser.