Scrapy Regex Unicode Error, got no solution for this

scrapy

[root@cls rss_crawler]# scrapy crawl news
http://www.focus.de/sport/formel1/formel-1-idol-in-marburger-ausstellung-alles-dreht-sich-um-michael-schumacher-wie-es-ihm-geht-bleibt-ungewiss_id_5292575.html
2016-02-23 20:15:06 [scrapy] INFO: Scrapy 1.0.5 started (bot: rss_crawler)
2016-02-23 20:15:06 [scrapy] INFO: Optional features available: ssl, http11, boto
2016-02-23 20:15:06 [scrapy] INFO: Overridden settings: {'NEWSPIDER_MODULE': 'rss_crawler.spiders', 'SPIDER_MODULES': ['rss_crawler.spiders'], 'BOT_NAME': 'rss_crawler'}
2016-02-23 20:15:06 [scrapy] INFO: Enabled extensions: CloseSpider, TelnetConsole, LogStats, CoreStats, SpiderState
2016-02-23 20:15:06 [boto] DEBUG: Retrieving credentials from metadata server.
2016-02-23 20:15:06 [boto] ERROR: Caught exception reading instance data
Traceback (most recent call last):
  File "/usr/lib/python2.7/site-packages/boto/utils.py", line 210, in retry_url
    r = opener.open(req, timeout=timeout)
  File "/usr/lib64/python2.7/urllib2.py", line 437, in open
    response = meth(req, response)
  File "/usr/lib64/python2.7/urllib2.py", line 550, in http_response
    'http', request, response, code, msg, hdrs)
  File "/usr/lib64/python2.7/urllib2.py", line 475, in error
    return self._call_chain(*args)
  File "/usr/lib64/python2.7/urllib2.py", line 409, in _call_chain
    result = func(*args)
  File "/usr/lib64/python2.7/urllib2.py", line 558, in http_error_default
    raise HTTPError(req.get_full_url(), code, msg, hdrs, fp)
HTTPError: HTTP Error 404: Not Found
2016-02-23 20:15:06 [boto] ERROR: Unable to read instance data, giving up
2016-02-23 20:15:06 [scrapy] INFO: Enabled downloader middlewares: HttpAuthMiddleware, DownloadTimeoutMiddleware, UserAgentMiddleware, RetryMiddleware, DefaultHeadersMiddleware, MetaRefreshMiddleware, HttpCompressionMiddleware, RedirectMiddleware, CookiesMiddleware, ChunkedTransferMiddleware, DownloaderStats
2016-02-23 20:15:06 [scrapy] INFO: Enabled spider middlewares: HttpErrorMiddleware, OffsiteMiddleware, RefererMiddleware, UrlLengthMiddleware, DepthMiddleware
2016-02-23 20:15:06 [scrapy] INFO: Enabled item pipelines: ImagesPipeline, RssImagePipeline, RssCrawlerPipeline
2016-02-23 20:15:06 [scrapy] INFO: Spider opened
2016-02-23 20:15:06 [scrapy] INFO: Crawled 0 pages (at 0 pages/min), scraped 0 items (at 0 items/min)
2016-02-23 20:15:06 [scrapy] DEBUG: Telnet console listening on 127.0.0.1:6025
2016-02-23 20:15:08 [scrapy] DEBUG: Crawled (200) <GET http://www.focus.de/sport/formel1/formel-1-idol-in-marburger-ausstellung-alles-dreht-sich-um-michael-schumacher-wie-es-ihm-geht-bleibt-ungewiss_id_5292575.html> (referer: None)
http://www.focus.de/sport/formel1/formel-1-idol-in-marburger-ausstellung-alles-dreht-sich-um-michael-schumacher-wie-es-ihm-geht-bleibt-ungewiss_id_5292575.html
2016-02-23 20:15:08 [scrapy] ERROR: Spider error processing <GET http://www.focus.de/sport/formel1/formel-1-idol-in-marburger-ausstellung-alles-dreht-sich-um-michael-schumacher-wie-es-ihm-geht-bleibt-ungewiss_id_5292575.html> (referer: None)
Traceback (most recent call last):
  File "/usr/lib64/python2.7/site-packages/scrapy/utils/defer.py", line 102, in iter_errback
    yield next(it)
  File "/usr/lib64/python2.7/site-packages/scrapy/spidermiddlewares/offsite.py", line 28, in process_spider_output
    for x in result:
  File "/usr/lib64/python2.7/site-packages/scrapy/spidermiddlewares/referer.py", line 22, in <genexpr>
    return (_set_referer(r) for r in result or ())
  File "/usr/lib64/python2.7/site-packages/scrapy/spidermiddlewares/urllength.py", line 37, in <genexpr>
    return (r for r in result or () if _filter(r))
  File "/usr/lib64/python2.7/site-packages/scrapy/spidermiddlewares/depth.py", line 54, in <genexpr>
    return (r for r in result or () if _filter(r))
  File "/root/python_projects/news_parser/rss_crawler/rss_crawler/spiders/news.py", line 83, in parse
    l.add_xpath('news_date', '//span[@class="created"]/text()').re(re.compile('((0[1-9]|[1-2][0-9]|3[0-1])\.(0[1-9]|1[0-2])\.[0-9]{4}, ((0|1)[0-9]|2[0-3]):((0|1|2|3|4|5)[0-9]))', re.UNICODE))[0]
AttributeError: 'NoneType' object has no attribute 're'

scrapy_shell

[root@cls ~]# scrapy shell "http://www.focus.de/sport/formel1/formel-1-idol-in-marburger-ausstellung-alles-dreht-sich-um-michael-schumacher-wie-es-ihm-geht-bleibt-ungewiss_id_5292575.html"
2016-02-23 20:19:13 [scrapy] INFO: Scrapy 1.0.5 started (bot: scrapybot)
2016-02-23 20:19:13 [scrapy] INFO: Optional features available: ssl, http11, boto
2016-02-23 20:19:13 [scrapy] INFO: Overridden settings: {'LOGSTATS_INTERVAL': 0, 'DUPEFILTER_CLASS': 'scrapy.dupefilters.BaseDupeFilter'}
2016-02-23 20:19:13 [scrapy] INFO: Enabled extensions: CloseSpider, TelnetConsole, CoreStats, SpiderState
2016-02-23 20:19:13 [boto] DEBUG: Retrieving credentials from metadata server.
2016-02-23 20:19:13 [boto] ERROR: Caught exception reading instance data
Traceback (most recent call last):
  File "/usr/lib/python2.7/site-packages/boto/utils.py", line 210, in retry_url
    r = opener.open(req, timeout=timeout)
  File "/usr/lib64/python2.7/urllib2.py", line 437, in open
    response = meth(req, response)
  File "/usr/lib64/python2.7/urllib2.py", line 550, in http_response
    'http', request, response, code, msg, hdrs)
  File "/usr/lib64/python2.7/urllib2.py", line 475, in error
    return self._call_chain(*args)
  File "/usr/lib64/python2.7/urllib2.py", line 409, in _call_chain
    result = func(*args)
  File "/usr/lib64/python2.7/urllib2.py", line 558, in http_error_default
    raise HTTPError(req.get_full_url(), code, msg, hdrs, fp)
HTTPError: HTTP Error 404: Not Found
2016-02-23 20:19:13 [boto] ERROR: Unable to read instance data, giving up
2016-02-23 20:19:14 [scrapy] INFO: Enabled downloader middlewares: HttpAuthMiddleware, DownloadTimeoutMiddleware, UserAgentMiddleware, RetryMiddleware, DefaultHeadersMiddleware, MetaRefreshMiddleware, HttpCompressionMiddleware, RedirectMiddleware, CookiesMiddleware, ChunkedTransferMiddleware, DownloaderStats
2016-02-23 20:19:14 [scrapy] INFO: Enabled spider middlewares: HttpErrorMiddleware, OffsiteMiddleware, RefererMiddleware, UrlLengthMiddleware, DepthMiddleware
2016-02-23 20:19:14 [scrapy] INFO: Enabled item pipelines:
2016-02-23 20:19:14 [scrapy] DEBUG: Telnet console listening on 127.0.0.1:6024
2016-02-23 20:19:14 [scrapy] INFO: Spider opened
2016-02-23 20:19:15 [scrapy] DEBUG: Crawled (200) <GET http://www.focus.de/sport/formel1/formel-1-idol-in-marburger-ausstellung-alles-dreht-sich-um-michael-schumacher-wie-es-ihm-geht-bleibt-ungewiss_id_5292575.html> (referer: None)
[s] Available Scrapy objects:
[s]   crawler    <scrapy.crawler.Crawler object at 0x29f2b10>
[s]   item       {}
[s]   request    <GET http://www.focus.de/sport/formel1/formel-1-idol-in-marburger-ausstellung-alles-dreht-sich-um-michael-schumacher-wie-es-ihm-geht-bleibt-ungewiss_id_5292575.html>
[s]   response   <200 http://www.focus.de/sport/formel1/formel-1-idol-in-marburger-ausstellung-alles-dreht-sich-um-michael-schumacher-wie-es-ihm-geht-bleibt-ungewiss_id_5292575.html>
[s]   settings   <scrapy.settings.Settings object at 0x29f2a90>
[s]   spider     <DefaultSpider 'default' at 0x7f219801c110>
[s] Useful shortcuts:
[s]   shelp()           Shell help (print this help)
[s]   fetch(req_or_url) Fetch request (or URL) and update local objects
[s]   view(response)    View response in a browser
2016-02-23 20:19:16 [root] DEBUG: Using default logger
2016-02-23 20:19:16 [root] DEBUG: Using default logger

In [1]: import re

In [2]: response.xpath('//span[@class="created"]/text()').re(re.compile('((0[1-9]|[1-2][0-9]|3[0-1])\.(0[1-9]|1[0-2])\.[0-9]{4}, ((0|1)[0-9]|2[0-3]):((0|1|2|3|4|5)[0-9]))', re.UNICODE))[0]
Out[2]: u'18.02.2016, 17:04'