removed some unused imports

--HG--
extra : convert_revision : svn%3Ab85faa78-f9eb-468e-a121-7cced6da292c%40949

scrapy/trunk/scrapy/contrib/downloadermiddleware/cookies.py

@@ -1,7 +1,6 @@
 from pydispatch import dispatcher
 
 from scrapy.core import signals
-from scrapy.core.engine import scrapyengine
 from scrapy.utils.misc import dict_updatedefault
 
 class CookiesMiddleware(object):

scrapy/trunk/scrapy/contrib/downloadermiddleware/debug.py

@@ -1,6 +1,5 @@
 from scrapy import log
 from scrapy.core.exceptions import NotConfigured
-from scrapy.conf import settings
 
 class CrawlDebug(object):
 

scrapy/trunk/scrapy/contrib/pipeline/s3images.py

@@ -1,6 +1,4 @@
 import time
-import hmac
-import base64
 import hashlib
 import rfc822
 from cStringIO import StringIO
@@ -9,14 +7,13 @@ import Image
 
 from scrapy import log
 from scrapy.http import Request
-from scrapy.stats import stats
 from scrapy.core.engine import scrapyengine
-from scrapy.core.exceptions import DropItem, NotConfigured, HttpException
+from scrapy.core.exceptions import NotConfigured
 from scrapy.contrib.pipeline.media import MediaPipeline
 from scrapy.contrib.aws import sign_request
 from scrapy.conf import settings
 
-from .images import BaseImagesPipeline, NoimagesDrop, ImageException
+from .images import BaseImagesPipeline, ImageException
 
 
 def md5sum(buffer):

scrapy/trunk/scrapy/core/downloader/webclient.py

@@ -1,7 +1,6 @@
 from urlparse import urlunparse
 
 from twisted.web.client import HTTPClientFactory
-from twisted.internet import reactor
 
 from scrapy.http import Url
 

scrapy/trunk/scrapy/core/scheduler/middleware.py

@@ -8,7 +8,7 @@ docs/topics/scheduler-middleware.rst
 from twisted.internet.defer import Deferred
 
 from scrapy import log
-from scrapy.http import Request, Response
+from scrapy.http import Response
 from scrapy.core.exceptions import NotConfigured
 from scrapy.utils.misc import load_object
 from scrapy.utils.defer import mustbe_deferred

scrapy/trunk/scrapy/http/response/html.py

@@ -7,8 +7,6 @@ See documentation in docs/ref/request-response.rst
 
 import re
 
-from BeautifulSoup import UnicodeDammit
-
 from scrapy.http.response.text import TextResponse
 from scrapy.utils.python import memoizemethod
 

scrapy/trunk/scrapy/http/response/xml.py

@@ -7,8 +7,6 @@ See documentation in docs/ref/request-response.rst
 
 import re
 
-from BeautifulSoup import UnicodeDammit
-
 from scrapy.http.response.text import TextResponse
 from scrapy.utils.python import memoizemethod
 

scrapy/trunk/scrapy/patches/monkeypatches.py

@@ -4,7 +4,6 @@ Monkey patches
 These are generally a bad idea.
 """
 import twisted
-from twisted.web.client import HTTPClientFactory
 
 
 # Extend limit for BeautifulSoup parsing loops