macOS是Python2安裝cryptography

pip install cryptography==2.9.2 報錯 build/temp.macosx-15.3-arm64-2.7/_openssl.c:575:10: fatal error: 'openssl/opensslv.h' file not found 嘗試導出 export CPPFLAGS=-I/opt/homebrew/Cellar/openssl@3/3.4.0/incl