From b7b2d9dcf1d5d6992683287ad79bbcef606e4e13 Mon Sep 17 00:00:00 2001
From: Kai Zhou <kai.zhou2013@gmail.com>
Date: Mon, 6 Apr 2015 16:16:47 -0600
Subject: [PATCH] fix bug in duplicates in doc_id == 0

when use "if id:", we cannot remove duplicate for doc_id ==0
---
 lsh/__init__.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lsh/__init__.py b/lsh/__init__.py
index 7403f25..35cea77 100644
--- a/lsh/__init__.py
+++ b/lsh/__init__.py
@@ -129,7 +129,7 @@ def _insert_lsh(self,lsh,doc_id,date_added):
     def prepare_dup_buckets(cls, buckets, id=None):
         # logging.debug('buckets: %s', buckets)
         all = list(set(reduce(list.__add__, buckets, [])))
-        if id:
+        if id != None:
             all.remove(id)
         return all