From ff279cc5acfe6a7f26dc3da71529aed91dbf2626 Mon Sep 17 00:00:00 2001
From: "St.Huang" <wenhonghuang@gmail.com>
Date: Fri, 27 Jul 2018 00:20:08 +0800
Subject: [PATCH] bug fixes.

---
 src/fastwq/libs/pystardict.py | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/src/fastwq/libs/pystardict.py b/src/fastwq/libs/pystardict.py
index a9bda9a..d51adbd 100644
--- a/src/fastwq/libs/pystardict.py
+++ b/src/fastwq/libs/pystardict.py
@@ -6,8 +6,6 @@ import re
 import warnings
 from struct import unpack
 
-import six
-
 
 class _StarDictIfo(object):
     """
@@ -200,14 +198,14 @@ class _StarDictIdx(object):
         if not self._container.in_memory:
             warnings.warn(
                 'Iter dict items with in_memory=False may cause serious performance problem')
-        for key in six.iterkeys(self._idx):
+        for key in self._idx.iterkeys():
             yield key.decode('utf-8')
 
     def keys(self):
         """
         returns keys
         """
-        if six.PY3:
+        if sys.version_info[0] == 3:
             return self.iterkeys()
 
         if not self._container.in_memory: