我正试图在MAC操作系统上使用Scrapy启动一个新项目，在创建了一个新的conda环境并安装了Scrapy后，我无法使startproject函数正常工作。
在我的环境中，我跑步。。。
scrapy startproject scraper
然后，我收到这个回溯。
Traceback (most recent call last):
File "/Users/alexmcgraw/opt/anaconda3/envs/espn_daily_sport_env/bin/scrapy", line 5, in <module>
from scrapy.cmdline import execute
File "/Users/alexmcgraw/opt/anaconda3/envs/espn_daily_sport_env/lib/python3.8/site-packages/scrapy/cmdline.py", line 9, in <module>
from scrapy.crawler import CrawlerProcess
File "/Users/alexmcgraw/opt/anaconda3/envs/espn_daily_sport_env/lib/python3.8/site-packages/scrapy/crawler.py", line 18, in <module>
from scrapy.core.engine import ExecutionEngine
File "/Users/alexmcgraw/opt/anaconda3/envs/espn_daily_sport_env/lib/python3.8/site-packages/scrapy/core/engine.py", line 14, in <module>
from scrapy.core.scraper import Scraper
File "/Users/alexmcgraw/opt/anaconda3/envs/espn_daily_sport_env/lib/python3.8/site-packages/scrapy/core/scraper.py", line 16, in <module>
from scrapy.utils.log import failure_to_exc_info, logformatter_adapter
File "/Users/alexmcgraw/opt/anaconda3/envs/espn_daily_sport_env/lib/python3.8/site-packages/scrapy/utils/log.py", line 12, in <module>
from scrapy.utils.versions import scrapy_components_versions
File "/Users/alexmcgraw/opt/anaconda3/envs/espn_daily_sport_env/lib/python3.8/site-packages/scrapy/utils/versions.py", line 12, in <module>
from scrapy.utils.ssl import get_openssl_version
File "/Users/alexmcgraw/opt/anaconda3/envs/espn_daily_sport_env/lib/python3.8/site-packages/scrapy/utils/ssl.py", line 1, in <module>
import OpenSSL
File "/Users/alexmcgraw/opt/anaconda3/envs/espn_daily_sport_env/lib/python3.8/site-packages/OpenSSL/__init__.py", line 8, in <module>
from OpenSSL import crypto, SSL
File "/Users/alexmcgraw/opt/anaconda3/envs/espn_daily_sport_env/lib/python3.8/site-packages/OpenSSL/crypto.py", line 11, in <module>
from OpenSSL._util import (
File "/Users/alexmcgraw/opt/anaconda3/envs/espn_daily_sport_env/lib/python3.8/site-packages/OpenSSL/_util.py", line 5, in <module>
from cryptography.hazmat.bindings.openssl.binding import Binding
File "/Users/alexmcgraw/opt/anaconda3/envs/espn_daily_sport_env/lib/python3.8/site-packages/cryptography/hazmat/bindings/openssl/binding.py", line 14, in <module>
from cryptography.hazmat.bindings._openssl import ffi, lib
ImportError: dlopen(/Users/alexmcgraw/opt/anaconda3/envs/espn_daily_sport_env/lib/python3.8/site-packages/_cffi_backend.cpython-38-darwin.so, 0x0002): Library not loaded: @rpath/libffi.7.dylib
Referenced from: /Users/alexmcgraw/opt/anaconda3/envs/espn_daily_sport_env/lib/python3.8/site-packages/_cffi_backend.cpython-38-darwin.so
Reason: tried: '/Users/alexmcgraw/opt/anaconda3/envs/espn_daily_sport_env/lib/libffi.7.dylib' (no such file), '/Users/alexmcgraw/opt/anaconda3/envs/espn_daily_sport_env/lib/libffi.7.dylib' (no such file), '/Users/alexmcgraw/opt/anaconda3/envs/espn_daily_sport_env/lib/python3.8/site-packages/../../libffi.7.dylib' (no such file), '/Users/alexmcgraw/opt/anaconda3/envs/espn_daily_sport_env/lib/libffi.7.dylib' (no such file), '/Users/alexmcgraw/opt/anaconda3/envs/espn_daily_sport_env/lib/libffi.7.dylib' (no such file), '/Users/alexmcgraw/opt/anaconda3/envs/espn_daily_sport_env/lib/python3.8/site-packages/../../libffi.7.dylib' (no such file), '/opt/concourse/worker/volumes/live/903ea60a-0489-485f-6f93-162648469061/volume/python_1573076474316/_h_env_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehol/lib/libffi.7.dylib' (no such file), '/opt/concourse/worker/volumes/live/903ea60a-0489-485f-6f93-162648469061/volume/python_1573076474316/_h_env_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehol/lib/libffi.7.dylib' (no such file), '/Users/alexmcgraw/opt/anaconda3/envs/espn_daily_sport_env/bin/../lib/libffi.7.dylib' (no such file), '/opt/concourse/worker/volumes/live/903ea60a-0489-485f-6f93-162648469061/volume/python_1573076474316/_h_env_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehol/lib/libffi.7.dylib' (no such file), '/opt/concourse/worker/volumes/live/903ea60a-0489-485f-6f93-162648469061/volume/python_1573076474316/_h_env_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehol/lib/libffi.7.dylib' (no such file), '/Users/alexmcgraw/opt/anaconda3/envs/espn_daily_sport_env/bin/../lib/libffi.7.dylib' (no such file), '/usr/local/lib/libffi.7.dylib' (no such file), '/usr/lib/libffi.7.dylib' (no such file)
我不太确定这个错误是怎么回事，我在Google/Stackoverflow上的搜索也无济于事。知道为什么我不能在我的环境中开始一个新的项目吗？
我认为，您的操作系统是Mac，请尝试以下命令：
brew update
brew upgrade
brew cleanup