From 36efe7e21978c225d79e2d8058663e9b380fe410 Mon Sep 17 00:00:00 2001
From: Dmitry Pribysh <dmand@yandex.ru>
Date: Wed, 10 Feb 2016 20:48:58 +0300
Subject: [PATCH] Make pipreqs not write duplicated lines to requirements.txt

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

diff --git a/pipreqs/pipreqs.py b/pipreqs/pipreqs.py
index 5e4bae2..02b735b 100755
--- a/pipreqs/pipreqs.py
+++ b/pipreqs/pipreqs.py
@@ -182,7 +182,8 @@ def get_pkg_names(pkgs):
                 if item[0] == pkg:
                     toappend = item[1]
                     break
-            result.append(toappend)
+            if toappend not in result:
+                result.append(toappend)
     return result