Encounter an error while it is installing one dependence of the py-matplotlib

[心如烛光]

Hi,Ryan!
    Thanks for your help!unfortunately,I still get error after that I have cleaned and rebuilt dubs with command:"sudo port clean dbus; sudo port -n upgrade --force dbus".
Then I try to unload the plist with"launchctl unload -w /Library/LaunchAgents/org.freedesktop.dbus-session.plist.mp_1398868931".
And reload it with:"launchctl load -w /Library/LaunchAgents/org.freedesktop.dbus-session.plist".
But the error still exits.And this is the file log:
14-6-25 AM12:21:49.429 sudo[525]:    kevin : TTY=ttys000 ; PWD=/Users/kevin ; USER=root ; COMMAND=/opt/local/bin/port install py27-pyobjc
14-6-25 AM12:21:50.893 sandboxd[544]: ([543]) Python(543) deny file-write-unlink /opt/local/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/_sysconfigdata.pyc

And here is the full report:
Python(543) deny file-write-unlink /opt/local/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/_sysconfigdata.pyc


Process:         Python [543]
Path:            /opt/local/Library/Frameworks/Python.framework/Versions/2.7/Resources/Python.app/Contents/MacOS/Python
Load Address:    0x104a91000
Identifier:      org.python.python
Version:         2.7.7 (2.7.7)
Code Type:       x86_64 (Native)
Parent Process:  sh [542]


Date/Time:       2014-06-25 00:21:50.885 +0800
OS Version:      Mac OS X 10.8.5 (12F45)
Report Version:  8


Thread 0:
0   libsystem_kernel.dylib        	0x00007fff942e962e __unlink + 10
1   Python                        	0x0000000104b5140b load_source_module + 571
2   Python                        	0x0000000104b52104 import_submodule + 340
3   Python                        	0x0000000104b51c8c load_next + 268
4   Python                        	0x0000000104b4fba3 PyImport_ImportModuleLevel + 1139
5   Python                        	0x0000000104b2ff28 builtin___import__ + 136
6   Python                        	0x0000000104aa5f31 PyObject_Call + 97
7   Python                        	0x0000000104b3bb08 PyEval_CallObjectWithKeywords + 168
8   Python                        	0x0000000104b390c2 PyEval_EvalFrameEx + 17170
9   Python                        	0x0000000104b3c2f2 fast_function + 178
10  Python                        	0x0000000104b37508 PyEval_EvalFrameEx + 10072
11  Python                        	0x0000000104b34d62 PyEval_EvalCodeEx + 1986
12  Python                        	0x0000000104b3c35d fast_function + 285
13  Python                        	0x0000000104b37508 PyEval_EvalFrameEx + 10072
14  Python                        	0x0000000104b3c2f2 fast_function + 178
15  Python                        	0x0000000104b37508 PyEval_EvalFrameEx + 10072
16  Python                        	0x0000000104b3c2f2 fast_function + 178
17  Python                        	0x0000000104b37508 PyEval_EvalFrameEx + 10072
18  Python                        	0x0000000104b3c2f2 fast_function + 178
19  Python                        	0x0000000104b37508 PyEval_EvalFrameEx + 10072
20  Python                        	0x0000000104b3c2f2 fast_function + 178
21  Python                        	0x0000000104b37508 PyEval_EvalFrameEx + 10072
22  Python                        	0x0000000104b3c2f2 fast_function + 178
23  Python                        	0x0000000104b37508 PyEval_EvalFrameEx + 10072
24  Python                        	0x0000000104b34d62 PyEval_EvalCodeEx + 1986
25  Python                        	0x0000000104b34596 PyEval_EvalCode + 54
26  Python                        	0x0000000104b4e631 PyImport_ExecCodeModuleEx + 241
27  Python                        	0x0000000104b516a3 load_source_module + 1235
28  Python                        	0x0000000104b52104 import_submodule + 340
29  Python                        	0x0000000104b51c8c load_next + 268
30  Python                        	0x0000000104b4fba3 PyImport_ImportModuleLevel + 1139
31  Python                        	0x0000000104b2ff28 builtin___import__ + 136
32  Python                        	0x0000000104aa5f31 PyObject_Call + 97
33  Python                        	0x0000000104aa610f call_function_tail + 95
34  Python                        	0x0000000104aa6082 PyObject_CallFunction + 226
35  Python                        	0x0000000104b4f5fd PyImport_Import + 413
36  Python                        	0x0000000104b4dacf PyImport_ImportModule + 31
37  Python                        	0x0000000104b5a3aa Py_InitializeEx + 842
38  Python                        	0x0000000104b6eba1 Py_Main + 1825
39  libdyld.dylib                 	0x00007fff94b657e1 start + 0


Binary Images:
       0x104a98000 -        0x104bcbff7  org.python.python (2.7.7, (c) 2004-2014 Python Software Foundation. - 2.7.7) <0CE1EACF-7999-351D-B27A-A19D2B03D743> /opt/local/Library/Frameworks/Python.framework/Versions/2.7/Python
    0x7fff942d7000 -     0x7fff942f2ff7  libsystem_kernel.dylib (2050.48.12) <4B7993C3-F62D-3AC1-AF92-414A0D6EED5E> /usr/lib/system/libsystem_kernel.dylib
    0x7fff94b63000 -     0x7fff94b66ff7  libdyld.dylib (210.2.3) <F59367C9-C110-382B-A695-9035A6DD387E> /usr/lib/system/libdyld.dylib
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