vagrant provision显示以下错误：
import matplotlib使用 - Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "/Users/user/anaconda/lib/python2.7/site-packages/matplotlib/__init__.py", line 1130, in <module>
rcParams = rc_params()
File "/Users/user/anaconda/lib/python2.7/site-packages/matplotlib/__init__.py", line 974, in rc_params
return rc_params_from_file(fname, fail_on_error)
File "/Users/user/anaconda/lib/python2.7/site-packages/matplotlib/__init__.py", line 1099, in rc_params_from_file
config_from_file = _rc_params_in_file(fname, fail_on_error)
File "/Users/user/anaconda/lib/python2.7/site-packages/matplotlib/__init__.py", line 1017, in _rc_params_in_file
with _open_file_or_url(fname) as fd:
File "/Users/user/anaconda/lib/python2.7/contextlib.py", line 18, in __enter__
return self.gen.next()
File "/Users/user/anaconda/lib/python2.7/site-packages/matplotlib/__init__.py", line 999, in _open_file_or_url
encoding = locale.getdefaultlocale()[1]
File "/Users/user/anaconda/lib/python2.7/locale.py", line 543, in getdefaultlocale
return _parse_localename(localename)
File "/Users/user/anaconda/lib/python2.7/locale.py", line 475, in _parse_localename
raise ValueError, 'unknown locale: %s' % localename
TypeError: unsupported operand type(s) for &: 'str' and 'str'
- 时显示相同的错误。起初我认为问题是因为我没有正确安装matplotlib。我最初尝试使用自制软件的python，在浏览了数百个关于如何正确安装它的指南后，放弃了纯粹的挫败感。然后我尝试使用anaconda的python，我又遇到了同样的错误。有人可以帮帮我吗？