我正在尝试安装 web3 测试器，pip install -U web3[tester]但总是收到此错误。
Pip 和 setuptools 都是当前版本。
完整的错误：
Building wheels for collected packages: blake2b-py
Building wheel for blake2b-py (PEP 517) ... error
ERROR: Command errored out with exit status 1:
command: /Library/Frameworks/Python.framework/Versions/3.9/bin/python3.9 /Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-packages/pip/_vendor/pep517/_in_process.py build_wheel /var/folders/rf/h_h1jw411_l1d366hm2pybm00000gn/T/tmpigyl8c27
cwd: /private/var/folders/rf/h_h1jw411_l1d366hm2pybm00000gn/T/pip-install-yu97ljpj/blake2b-py_61e5c1e928bf4c3fa77c17397812b60f
Complete output (20 lines):
Compiling proc-macro2 v1.0.24
Compiling unicode-xid v0.2.1
Compiling syn v1.0.58
Compiling proc-macro-hack v0.5.19
Compiling memchr v2.3.4
Compiling serde_derive v1.0.118
Compiling serde v1.0.118
Compiling ryu v1.0.5
Compiling lazy_static v1.4.0
Compiling serde_json v1.0.61
error: could not compile …