$ pip install seaborn
Collecting seaborn
Using cached seaborn-0.7.0.tar.gz
Complete output from command python setup.py egg_info:
Traceback (most recent call last):
File "<string>", line 1, in <module>
File "/private/var/folders/hf/hf0xmv_d6mb0n4qp6xqkq0sh0000gn/T/pip-build-UpeZ8b/seaborn/setup.py", line 66, in <module>
install_requires = check_dependencies()
File "/private/var/folders/hf/hf0xmv_d6mb0n4qp6xqkq0sh0000gn/T/pip-build-UpeZ8b/seaborn/setup.py", line 54, in check_dependencies
import matplotlib
File "/usr/local/lib/python2.7/site-packages/matplotlib/__init__.py", line 1131, in <module>
rcParams = rc_params()
File "/usr/local/lib/python2.7/site-packages/matplotlib/__init__.py", line 975, in rc_params
return rc_params_from_file(fname, fail_on_error)
File "/usr/local/lib/python2.7/site-packages/matplotlib/__init__.py", line 1100, in rc_params_from_file
config_from_file = _rc_params_in_file(fname, fail_on_error)
File "/usr/local/lib/python2.7/site-packages/matplotlib/__init__.py", line 1018, in _rc_params_in_file
with _open_file_or_url(fname) as fd:
File "/usr/local/Cellar/python/2.7.10_2/Frameworks/Python.framework/Versions/2.7/lib/python2.7/contextlib.py", line 17, in __enter__
return self.gen.next()
File "/usr/local/lib/python2.7/site-packages/matplotlib/__init__.py", line 1000, in _open_file_or_url
encoding = locale.getdefaultlocale()[1]
File "/usr/local/Cellar/python/2.7.10_2/Frameworks/Python.framework/Versions/2.7/lib/python2.7/locale.py", line 543, in getdefaultlocale
return _parse_localename(localename)
File "/usr/local/Cellar/python/2.7.10_2/Frameworks/Python.framework/Versions/2.7/lib/python2.7/locale.py", line 475, in _parse_localename
raise ValueError, 'unknown locale: %s' % localename
ValueError: unknown locale: UTF-8
----------------------------------------
Command "python setup.py egg_info" failed with error code 1 in /private/var/folders/hf/hf0xmv_d6mb0n4qp6xqkq0sh0000gn/T/pip-build-UpeZ8b/seaborn
我为Seaborn安装了所有必需的依赖项（matplotlib，scipy，numpy，pandas，statsmodels;没有任何用处。我做错了什么？