diff --git a/python/helpers/pydev/thriftpy/parser/parser.py b/python/helpers/pydev/thriftpy/parser/parser.py
index 158cfd2359c6..f93c3058bb94 100644
--- a/python/helpers/pydev/thriftpy/parser/parser.py
+++ b/python/helpers/pydev/thriftpy/parser/parser.py
@@ -12,7 +12,7 @@ import os
 import sys
 import types
 from ply import lex, yacc
-
+from .lexer import *  # noqa
 from .exc import ThriftParserError, ThriftGrammerError
 from ..thrift import gen_init, TType, TPayload, TException