我尝试通过安装pip install polyglot并收到以下错误：
Collecting polyglot
Using cached https://files.pythonhosted.org/packages/e7/98/e24e2489114c5112b083714277204d92d372f5bbe00d5507acf40370edb9/polyglot-16.7.4.tar.gz
Requirement already satisfied: futures>=2.1.6 in /usr/local/lib/python2.7/site-packages (from polyglot) (3.1.1)
Collecting PyICU>=1.8 (from polyglot)
Using cached https://files.pythonhosted.org/packages/c2/15/0af20b540c828943b6ffea5677c86e908dcac108813b522adebb75c827c1/PyICU-2.2.tar.gz
Complete output from command python setup.py egg_info:
Building PyICU 2.2 for ICU 63
Could not configure CXXFLAGS with icu-config
Traceback (most recent call last):
File "<string>", line 1, in <module>
File "/private/var/folders/20/4xrrmj050z10rqhlfn348q0m0000gn/T/pip-install-ZnSq3A/PyICU/setup.py", line 131, in <module>
_cflags, ('--cxxflags', '--cppflags'), 'CXXFLAGS')
File "/private/var/folders/20/4xrrmj050z10rqhlfn348q0m0000gn/T/pip-install-ZnSq3A/PyICU/setup.py", line 30, in configure_with_icu_config
output = check_output(('icu-config',) + config_args).strip()
File "/usr/local/Cellar/python/2.7.12_1/Frameworks/Python.framework/Versions/2.7/lib/python2.7/subprocess.py", line 567, in check_output
process = Popen(stdout=PIPE, *popenargs, **kwargs)
File "/usr/local/Cellar/python/2.7.12_1/Frameworks/Python.framework/Versions/2.7/lib/python2.7/subprocess.py", line 711, in __init__
errread, errwrite)
File "/usr/local/Cellar/python/2.7.12_1/Frameworks/Python.framework/Versions/2.7/lib/python2.7/subprocess.py", line 1343, in _execute_child
raise child_exception
OSError: [Errno 2] No such file or directory
当我尝试安装 PyICU 时，我遇到了完全相同的错误。请帮忙！