How to except Error when spider raise Errors.

[wsgggws]

I use code:

try:
    result = scrapydo.run_spider(MySpider, **kwargs)
except Exception:
    result = None

ERROR:scrapy.core.scraper:Spider error processing <POST http://www.example.com> (referer: None)
Traceback (most recent call last):
File "/usr/local/lib/python3.6/site-packages/scrapy/utils/defer.py", line 102, in iter_errback
yield next(it)
File "/usr/local/lib/python3.6/site-packages/scrapy/spidermiddlewares/offsite.py", line 30, in process_spider_output
for x in result:
File "/usr/local/lib/python3.6/site-packages/scrapy/spidermiddlewares/referer.py", line 339, in
return (_set_referer(r) for r in result or ())
File "/usr/local/lib/python3.6/site-packages/scrapy/spidermiddlewares/urllength.py", line 37, in
return (r for r in result or () if _filter(r))
File "/usr/local/lib/python3.6/site-packages/scrapy/spidermiddlewares/depth.py", line 58, in
return (r for r in result or () if _filter(r))
File "/Users/hjtian/github/courier-spiders/crawler/crawler/spiders/aftership_spider.py", line 62, in parse
raise TypeError
TypeError