因为版本更新，更新引用

crossbell · Nov 6, 2017 · 906f853 · 906f853
1 parent 0a0b0b7
commit 906f853
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/ch15/15.3.py b/ch15/15.3.py
@@ -1,5 +1,5 @@
 #coding:utf-8
-from scrapy.dupefilter import RFPDupeFilter
+from scrapy.dupefilters import RFPDupeFilter
 class URLFilter(RFPDupeFilter):
       """根据url过滤"""
       def __init__(self, path=None,debug=False):
@@ -12,7 +12,7 @@ def request_seen(self, request):
               self.urls_seen.add(request.url)
 
 '''
-from scrapy.dupefilter import RFPDupeFilter
+from scrapy.dupefilters import RFPDupeFilter
 from w3lib.util.url import canonicalize_url
 class URLSha1Filter(RFPDupeFilter):
       """根据urlsha1过滤"""