2019-05-22 15:54:15 [scrapy.utils.log] INFO: Scrapy 1.6.0 started (bot: scrapybot)
2019-05-22 15:54:15 [scrapy.utils.log] INFO: Versions: lxml 4.3.1.0, libxml2 2.9.5, cssselect 1.0.3, parsel 1.5.1, w3lib 1.20.0, Twisted 18.9.0, Python 3.7.0 (v3.7.0:1bf9cc5093, Jun 27 2018, 04:06:47) [MSC v.1914 32 bit (Intel)], pyOpenSSL 19.0.0 (OpenSSL 1.1.1a  20 Nov 2018), cryptography 2.5, Platform Windows-7-6.1.7601-SP1
2019-05-22 15:54:15 [scrapy.crawler] INFO: Overridden settings: {}
2019-05-22 15:54:15 [scrapy.extensions.telnet] INFO: Telnet Password: bdced3e6efe1309e
2019-05-22 15:54:15 [scrapy.middleware] INFO: Enabled extensions:
['scrapy.extensions.corestats.CoreStats',
 'scrapy.extensions.telnet.TelnetConsole',
 'scrapy.extensions.logstats.LogStats']
Unhandled error in Deferred:
2019-05-22 15:54:15 [twisted] CRITICAL: Unhandled error in Deferred:

Traceback (most recent call last):
  File "C:\Users\WCS\AppData\Local\Programs\Python\Python37-32\lib\site-packages\scrapy\crawler.py", line 172, in crawl
    return self._crawl(crawler, *args, **kwargs)
  File "C:\Users\WCS\AppData\Local\Programs\Python\Python37-32\lib\site-packages\scrapy\crawler.py", line 176, in _crawl
    d = crawler.crawl(*args, **kwargs)
  File "C:\Users\WCS\AppData\Local\Programs\Python\Python37-32\lib\site-packages\twisted\internet\defer.py", line 1613, in unwindGenerator
    return _cancellableInlineCallbacks(gen)
  File "C:\Users\WCS\AppData\Local\Programs\Python\Python37-32\lib\site-packages\twisted\internet\defer.py", line 1529, in _cancellableInlineCallbacks
    _inlineCallbacks(None, g, status)
--- <exception caught here> ---
  File "C:\Users\WCS\AppData\Local\Programs\Python\Python37-32\lib\site-packages\twisted\internet\defer.py", line 1418, in _inlineCallbacks
    result = g.send(result)
  File "C:\Users\WCS\AppData\Local\Programs\Python\Python37-32\lib\site-packages\scrapy\crawler.py", line 80, in crawl
    self.engine = self._create_engine()
  File "C:\Users\WCS\AppData\Local\Programs\Python\Python37-32\lib\site-packages\scrapy\crawler.py", line 105, in _create_engine
    return ExecutionEngine(self, lambda _: self.stop())
  File "C:\Users\WCS\AppData\Local\Programs\Python\Python37-32\lib\site-packages\scrapy\core\engine.py", line 69, in __init__
    self.downloader = downloader_cls(crawler)
  File "C:\Users\WCS\AppData\Local\Programs\Python\Python37-32\lib\site-packages\scrapy\core\downloader\__init__.py", line 88, in __init__
    self.middleware = DownloaderMiddlewareManager.from_crawler(crawler)
  File "C:\Users\WCS\AppData\Local\Programs\Python\Python37-32\lib\site-packages\scrapy\middleware.py", line 53, in from_crawler
    return cls.from_settings(crawler.settings, crawler)
  File "C:\Users\WCS\AppData\Local\Programs\Python\Python37-32\lib\site-packages\scrapy\middleware.py", line 35, in from_settings
    mw = create_instance(mwcls, settings, crawler)
  File "C:\Users\WCS\AppData\Local\Programs\Python\Python37-32\lib\site-packages\scrapy\utils\misc.py", line 140, in create_instance
    return objcls.from_crawler(crawler, *args, **kwargs)
  File "C:\Users\WCS\AppData\Local\Programs\Python\Python37-32\lib\site-packages\scrapy_selenium\middlewares.py", line 71, in from_crawler
    browser_executable_path=browser_executable_path
  File "C:\Users\WCS\AppData\Local\Programs\Python\Python37-32\lib\site-packages\scrapy_selenium\middlewares.py", line 43, in __init__
    for argument in driver_arguments:
builtins.TypeError: 'NoneType' object is not iterable

2019-05-22 15:54:15 [twisted] CRITICAL:
Traceback (most recent call last):
  File "C:\Users\WCS\AppData\Local\Programs\Python\Python37-32\lib\site-packages\twisted\internet\defer.py", line 1418, in _inlineCallbacks
    result = g.send(result)
  File "C:\Users\WCS\AppData\Local\Programs\Python\Python37-32\lib\site-packages\scrapy\crawler.py", line 80, in crawl
    self.engine = self._create_engine()
  File "C:\Users\WCS\AppData\Local\Programs\Python\Python37-32\lib\site-packages\scrapy\crawler.py", line 105, in _create_engine
    return ExecutionEngine(self, lambda _: self.stop())
  File "C:\Users\WCS\AppData\Local\Programs\Python\Python37-32\lib\site-packages\scrapy\core\engine.py", line 69, in __init__
    self.downloader = downloader_cls(crawler)
  File "C:\Users\WCS\AppData\Local\Programs\Python\Python37-32\lib\site-packages\scrapy\core\downloader\__init__.py", line 88, in __init__
    self.middleware = DownloaderMiddlewareManager.from_crawler(crawler)
  File "C:\Users\WCS\AppData\Local\Programs\Python\Python37-32\lib\site-packages\scrapy\middleware.py", line 53, in from_crawler
    return cls.from_settings(crawler.settings, crawler)
  File "C:\Users\WCS\AppData\Local\Programs\Python\Python37-32\lib\site-packages\scrapy\middleware.py", line 35, in from_settings
    mw = create_instance(mwcls, settings, crawler)
  File "C:\Users\WCS\AppData\Local\Programs\Python\Python37-32\lib\site-packages\scrapy\utils\misc.py", line 140, in create_instance
    return objcls.from_crawler(crawler, *args, **kwargs)
  File "C:\Users\WCS\AppData\Local\Programs\Python\Python37-32\lib\site-packages\scrapy_selenium\middlewares.py", line 71, in from_crawler
    browser_executable_path=browser_executable_path
  File "C:\Users\WCS\AppData\Local\Programs\Python\Python37-32\lib\site-packages\scrapy_selenium\middlewares.py", line 43, in __init__
    for argument in driver_arguments:
TypeError: 'NoneType' object is not iterable