From 0f972df0ac13ed6f16d30b61d8c44a37568c3996 Mon Sep 17 00:00:00 2001
From: Sun Junyi <ccnusjy@gmail.com>
Date: Mon, 29 Jul 2013 10:01:47 +0800
Subject: [PATCH] raise exception in case of lower version

---
 jieba/__init__.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/jieba/__init__.py b/jieba/__init__.py
index a59543d..089ee48 100644
--- a/jieba/__init__.py
+++ b/jieba/__init__.py
@@ -301,7 +301,8 @@ def enable_parallel(processnum):
     global pool,cut,cut_for_search
     if os.name=='nt':
         raise Exception("jieba: parallel mode only supports posix system")
-
+    if sys.version_info.major==2 and sys.version_info.minor<6:
+        raise Exception("jieba: the parallel feature needs Python version>2.5 ")
     from multiprocessing import Pool,cpu_count
     if processnum==None:
         processnum = cpu_count()