ModuleNotFoundError: No module named 'arrow'

[liuchangjun]

starbook:scrapy star$ pwd
/Users/star/project/docker/AntSpider/scrapy

starbook:scrapy star$ scrapy list
Traceback (most recent call last):
File "/Users/star/Library/Python/3.7/bin/scrapy", line 8, in
sys.exit(execute())
File "/Users/star/Library/Python/3.7/lib/python/site-packages/scrapy/cmdline.py", line 144, in execute
cmd.crawler_process = CrawlerProcess(settings)
File "/Users/star/Library/Python/3.7/lib/python/site-packages/scrapy/crawler.py", line 265, in init
super(CrawlerProcess, self).init(settings)
File "/Users/star/Library/Python/3.7/lib/python/site-packages/scrapy/crawler.py", line 137, in init
self.spider_loader = _get_spider_loader(settings)
File "/Users/star/Library/Python/3.7/lib/python/site-packages/scrapy/crawler.py", line 345, in _get_spider_loader
return loader_cls.from_settings(settings.frozencopy())
File "/Users/star/Library/Python/3.7/lib/python/site-packages/scrapy/spiderloader.py", line 60, in from_settings
return cls(settings)
File "/Users/star/Library/Python/3.7/lib/python/site-packages/scrapy/spiderloader.py", line 24, in init
self._load_all_spiders()
File "/Users/star/Library/Python/3.7/lib/python/site-packages/scrapy/spiderloader.py", line 46, in _load_all_spiders
for module in walk_modules(name):
File "/Users/star/Library/Python/3.7/lib/python/site-packages/scrapy/utils/misc.py", line 77, in walk_modules
submod = import_module(fullpath)
File "/Applications/Xcode.app/Contents/Developer/Library/Frameworks/Python3.framework/Versions/3.7/lib/python3.7/importlib/init.py", line 127, in import_module
return _bootstrap._gcd_import(name[level:], package, level)
File "", line 1006, in _gcd_import
File "", line 983, in _find_and_load
File "", line 967, in _find_and_load_unlocked
File "", line 677, in _load_unlocked
File "", line 728, in exec_module
File "", line 219, in _call_with_frames_removed
File "/Users/star/project/docker/AntSpider/scrapy/douban/spiders/movie_meta.py", line 13, in
import douban.validator as validator
File "/Users/star/project/docker/AntSpider/scrapy/douban/validator.py", line 10, in
import arrow
ModuleNotFoundError: No module named 'arrow'

[KiteFlyKid]

Hi, I got the same problem.
Have you fixed it?

[ElderWanng]

pip install arrow