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    python 中的scrapy 报错
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      spiders scrapy genspider 36kr 36kr.com
    Traceback (most recent call last):
      File "/usr/local/bin/scrapy", line 11, in <module>
        sys.exit(execute())
      File "/usr/local/lib/python2.7/site-packages/scrapy/cmdline.py", line 149, in execute
        cmd.crawler_process = CrawlerProcess(settings)
      File "/usr/local/lib/python2.7/site-packages/scrapy/crawler.py", line 249, in __init__
        super(CrawlerProcess, self).__init__(settings)
      File "/usr/local/lib/python2.7/site-packages/scrapy/crawler.py", line 137, in __init__
        self.spider_loader = _get_spider_loader(settings)
      File "/usr/local/lib/python2.7/site-packages/scrapy/crawler.py", line 336, in _get_spider_loader
        return loader_cls.from_settings(settings.frozencopy())
      File "/usr/local/lib/python2.7/site-packages/scrapy/spiderloader.py", line 61, in from_settings
        return cls(settings)
      File "/usr/local/lib/python2.7/site-packages/scrapy/spiderloader.py", line 25, in __init__
        self._load_all_spiders()
      File "/usr/local/lib/python2.7/site-packages/scrapy/spiderloader.py", line 47, in _load_all_spiders
        for module in walk_modules(name):
      File "/usr/local/lib/python2.7/site-packages/scrapy/utils/misc.py", line 71, in walk_modules
        submod = import_module(fullpath)
      File "/usr/local/Cellar/python@2/2.7.15/Frameworks/Python.framework/Versions/2.7/lib/python2.7/importlib/__init__.py", line 37, in import_module
        __import__(name)
      File "/Users/chinvincent/spider_project/spider/spider/spiders/36krspider.py", line 7, in <module>
        class A36krspiderSpider(scrapy.Spider):
    NameError: name 'scrapy' is not defined
    ➜  spiders ls
    36krspider.py        __init__.py          cyzonezpider.py      heishaobinspider.py  iheimaspider.py      iyiouspider.pyc      lieyunwangspider.pyc pencilnewspider.py
    36krspider.pyc       __init__.pyc         cyzonezpider.pyc     heishaobinspider.pyc iyiouspider.py       lieyunwangspider.py  main.py              pencilnewspider.pyc
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