[Matplotlib-users] Install/Import error rcParams

[yukicyk]

Hi all,

I am trying to install matplotlib on my iMac OSX El Capitan Version 10.114
but failed. 
OS info: Darwin OBs-iMac.local 15.4.0 Darwin Kernel Version 15.4.0: Fri Feb
26 22:08:05 PST 2016; root:xnu-3248.40.184~3/RELEASE_X86_64 x86_64

gcc --version
Configured with: --prefix=/Applications/Xcode.app/Contents/Developer/usr
--with-gxx-include-dir=/usr/include/c++/4.2.1
Apple LLVM version 7.3.0 (clang-703.0.29)
Target: x86_64-apple-darwin15.4.0
Thread model: posix
InstalledDir:
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin

I installed python using HomeBrew and pip install matplotlib. 

I got the following messages when i tried to import matplotlib:

Python 2.7.11 (default, Jan 22 2016, 08:29:18)
[GCC 4.2.1 Compatible Apple LLVM 7.0.2 (clang-700.1.81)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> import matplotlib
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  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/2.7.11/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/2.7.11/Frameworks/Python.framework/Versions/2.7/lib/python2.7/locale.py",
line 543, in getdefaultlocale
    return _parse_localename(localename)
  File
"/usr/local/Cellar/python/2.7.11/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


I later installed Anaconda hoping to resolve this problem, but still
encounter the same error.
Python 2.7.11 |Anaconda 4.0.0 (x86_64)| (default, Dec  6 2015, 18:57:58)
[GCC 4.2.1 (Apple Inc. build 5577)] on darwin

I would greatly appreciate for any help on this.

cheers,
yuki



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