use better condition in example spider

2016-09-15 16:56:13 -03:00 · 2016-09-15 16:56:13 -03:00 · 75531e409e
parent 1d159ae6f9
commit 75531e409e
1 changed files with 1 additions and 1 deletions
--- a/docs/intro/overview.rst
+++ b/docs/intro/overview.rst
@ -39,7 +39,7 @@ http://quotes.toscrape.com, following the pagination::
                }

            next_page = response.css('li.next a::attr("href")').extract_first()
-            if next_page:
+            if next_page is not None:
                next_page = response.urljoin(next_page)
                yield scrapy.Request(next_page, callback=self.parse)