From ef29812520ab88d26e7b1e0e7beefaae943d969a Mon Sep 17 00:00:00 2001
From: Erez Shinan <erezshin+git@gmail.com>
Date: Thu, 2 Aug 2018 15:39:21 +0300
Subject: [PATCH] Fixed missing import (Issue #202)

---
 lark/lexer.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lark/lexer.py b/lark/lexer.py
index 9d4e184..3ab91b4 100644
--- a/lark/lexer.py
+++ b/lark/lexer.py
@@ -4,7 +4,7 @@ import re
 
 from .utils import Str, classify
 from .common import PatternStr, PatternRE, TokenDef
-from .exceptions import UnexpectedCharacters
+from .exceptions import UnexpectedCharacters, LexError
 
 ###{standalone
 class Token(Str):