Flake8 update for files. (#208)

Update current files to pass flake8 check.

Author: LuckyPigeon

example-project/example/pipelines.py

@@ -4,6 +4,7 @@
 # See: http://doc.scrapy.org/topics/item-pipeline.html
 from datetime import datetime
 
+
 class ExamplePipeline(object):
     def process_item(self, item, spider):
         item["crawled"] = datetime.utcnow()

example-project/example/settings.py

@@ -13,9 +13,9 @@
 DUPEFILTER_CLASS = "scrapy_redis.dupefilter.RFPDupeFilter"
 SCHEDULER = "scrapy_redis.scheduler.Scheduler"
 SCHEDULER_PERSIST = True
-#SCHEDULER_QUEUE_CLASS = "scrapy_redis.queue.SpiderPriorityQueue"
-#SCHEDULER_QUEUE_CLASS = "scrapy_redis.queue.SpiderQueue"
-#SCHEDULER_QUEUE_CLASS = "scrapy_redis.queue.SpiderStack"
+# SCHEDULER_QUEUE_CLASS = "scrapy_redis.queue.SpiderPriorityQueue"
+# SCHEDULER_QUEUE_CLASS = "scrapy_redis.queue.SpiderQueue"
+# SCHEDULER_QUEUE_CLASS = "scrapy_redis.queue.SpiderStack"
 
 ITEM_PIPELINES = {
     'example.pipelines.ExamplePipeline': 300,