From fd2cb0ed9f0505d7701dd8c73ebae1cbdcd9602a Mon Sep 17 00:00:00 2001
From: tianyu <xdtianyu@gmail.com>
Date: Wed, 28 Sep 2016 22:25:36 +0800
Subject: [PATCH] fix node

---
 kindle/amz.py  | 1 +
 kindle/book.py | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/kindle/amz.py b/kindle/amz.py
index 25f1d20..b5f91c6 100644
--- a/kindle/amz.py
+++ b/kindle/amz.py
@@ -58,6 +58,7 @@ def lookup(book):
             if product.languages:
                 book.languages = list(product.languages)
 
+            book.nodes = []
             for browse_node in product.browse_nodes:
                 node = Node()
                 book.nodes.append(node)
diff --git a/kindle/book.py b/kindle/book.py
index 7efa963..61b9171 100644
--- a/kindle/book.py
+++ b/kindle/book.py
@@ -28,7 +28,7 @@ class Book:
     publication_date = None
     small_image_url = None
     languages = None
-    nodes = []
+    nodes = None
 
     def json(self):
         return json.dumps(self, default=lambda o: o.__dict__, indent=2, ensure_ascii=False, sort_keys=True)