我正在学习基本的 Django 教程（https://docs.djangoproject.com/en/1.5/intro/tutorial05/）
在我的项目目录中，我像这样启动 shell：
python manage.py shell
然后
>>> from django.test.utils import setup_test_environment
>>> setup_test_environment()
但是我一按回车，python 就退出了：
Segmentation fault: 11
我得到了这些细节：
Process: Python [57986]
Path: /Library/Frameworks/Python.framework/Versions/2.7/Resources/Python.app/Contents/MacOS/Python
Identifier: Python
Version: 2.7.5 (2.7.5)
Code Type: X86-64 (Native)
Parent Process: bash [57491]
Responsible: Terminal [21808]
User ID: 501
Date/Time: 2013-11-08 16:51:01.882 -0500
OS Version: Mac OS X 10.9 (13A603)
Report Version: 11
Anonymous UUID: 8028370E-0418-6FCE-8E0D-710AECAD680C
Sleep/Wake UUID: CAAC62F3-EFB9-42B8-A675-555E35708FAE
Crashed Thread: 0 Dispatch queue: com.apple.main-thread
Exception Type: EXC_BAD_ACCESS (SIGSEGV)
Exception Codes: KERN_INVALID_ADDRESS at 0x0000000000000000
VM Regions Near 0:
-->
__TEXT 0000000100000000-0000000100001000 [ 4K] r-x/rwx SM=COW /Library/Frameworks/Python.framework/Versions/2.7/Resources/Python.app/Contents/MacOS/Python
Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
0 readline.so 0x00000001027f4f97 call_readline + 647
1 org.python.python 0x0000000100008e22 PyOS_Readline + 274
2 org.python.python 0x00000001000b8315 builtin_raw_input + 597
3 org.python.python 0x00000001000c35fd PyEval_EvalFrameEx + 25213
4 org.python.python 0x00000001000c58c9 PyEval_EvalCodeEx + 2137
5 org.python.python 0x00000001000c31bd PyEval_EvalFrameEx + 24125
6 org.python.python 0x00000001000c58c9 PyEval_EvalCodeEx + 2137
7 org.python.python 0x00000001000c31bd PyEval_EvalFrameEx + 24125
8 org.python.python 0x00000001000c58c9 PyEval_EvalCodeEx + 2137
9 org.python.python 0x00000001000c31bd PyEval_EvalFrameEx + 24125
10 org.python.python 0x00000001000c58c9 PyEval_EvalCodeEx + 2137
11 org.python.python 0x000000010003e510 function_call + 176
12 org.python.python 0x000000010000c932 PyObject_Call + 98
13 org.python.python 0x00000001000be63d PyEval_EvalFrameEx + 4797
14 org.python.python 0x00000001000c58c9 PyEval_EvalCodeEx + 2137
15 org.python.python 0x000000010003e510 function_call + 176
16 org.python.python 0x000000010000c932 PyObject_Call + 98
17 org.python.python 0x00000001000be63d PyEval_EvalFrameEx + 4797
18 org.python.python 0x00000001000c58c9 PyEval_EvalCodeEx + 2137
19 org.python.python 0x000000010003e510 function_call + 176
20 org.python.python 0x000000010000c932 PyObject_Call + 98
21 org.python.python 0x00000001000be63d PyEval_EvalFrameEx + 4797
22 org.python.python 0x00000001000c3fed PyEval_EvalFrameEx + 27757
23 org.python.python 0x00000001000c3fed PyEval_EvalFrameEx + 27757
24 org.python.python 0x00000001000c58c9 PyEval_EvalCodeEx + 2137
25 org.python.python 0x00000001000c31bd PyEval_EvalFrameEx + 24125
26 org.python.python 0x00000001000c58c9 PyEval_EvalCodeEx + 2137
27 org.python.python 0x00000001000c59e6 PyEval_EvalCode + 54
28 org.python.python 0x00000001000ea28e PyRun_FileExFlags + 174
29 org.python.python 0x00000001000ea52a PyRun_SimpleFileExFlags + 458
30 org.python.python 0x00000001001014ed Py_Main + 3101
31 org.python.python 0x0000000100000f14 0x100000000 + 3860
Thread 0 crashed with X86 Thread State (64-bit):
rax: 0x0000000000000000 rbx: 0x0000000100364120 rcx: 0x0000000100300000 rdx: 0x0000000000003200
rdi: 0x0000000000000000 rsi: 0x00000001027f5254 rbp: 0x00007fff5fbfd650 rsp: 0x00007fff5fbfd580
r8: 0x0000000100300000 r9: 0x00000000000006da r10: 0x0000000002000003 r11: 0x0000000000000001
r12: 0x0000000000000001 r13: 0x0000000000000019 r14: 0x00007fff5fbfd610 r15: 0x00007fff5fbfd590
rip: 0x00000001027f4f97 rfl: 0x0000000000010202 cr2: 0x0000000000000000
Logical CPU: 5
Error Code: 0x00000004
Trap Number: 14
Binary Images:
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0x100003000 - 0x10016ffff +org.python.python (2.7.5, [c] 2004-2013 Python Software Foundation. - 2.7.5) <CDFB33CA-71DD-B1C2-5262-545F3FA06153> /Library/Frameworks/Python.framework/Versions/2.7/Python
0x1002f1000 - 0x1002f5fff +_collections.so (???) <C3759257-D3E2-1A2D-5B6D-F5CE2BAD59F1> /Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/lib-dynload/_collections.so
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0x102412000 - 0x102415ff7 +strop.so (???) <EF084977-083D-4241-3E1C-F784D1EC6BC2> /Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/lib-dynload/strop.so
0x10245a000 - 0x10245cfff +_locale.so (???) <C498D276-0D22-5EB7-0332-8FD47164BCC5> /Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/lib-dynload/_locale.so
0x102460000 - 0x102464fff +_struct.so (???) <C5DCD024-216C-FA09-AE53-F5C308DC7EE0> /Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/lib-dynload/_struct.so
0x1024ab000 - 0x1024b9ff7 +datetime.so (???) <6F932ED3-23A3-53F7-CAAB-6E532A327C13> /Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/lib-dynload/datetime.so
0x1025f2000 - 0x1025f7fff +math.so (???) <DBF975FC-2716-ADD3-6911-5D951CB0DB61> /Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/lib-dynload/math.so
0x1025fe000 - 0x102600ff7 +time.so (???) <71BBC363-EB64-7E83-016A-85019ABE11A9> /Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/lib-dynload/time.so
0x102645000 - 0x10264eff7 +_socket.so (???) <695EB730-7782-CEC0-96D7-C82415A58249> /Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/lib-dynload/_socket.so
0x10265a000 - 0x10265eff7 +_ssl.so (???) <F11C5431-BBBC-472E-1D78-F3FEAA774381> /Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/lib-dynload/_ssl.so
0x102664000 - 0x102665fff +cStringIO.so (???) <84827C5D-2394-D102-142B-87FBAD4A785A> /Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/lib-dynload/cStringIO.so
0x10266a000 - 0x10266dfef +binascii.so (???) <B1341D2E-EC17-A209-F850-C3CFDDDFCFD6> /Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/lib-dynload/binascii.so
0x1026b1000 - 0x1026b1fff +_scproxy.so (???) <2635F535-7B37-6190-16D7-FAC536366A2D> /Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/lib-dynload/_scproxy.so
0x1026b4000 - 0x1026b7fff +select.so (???) <81AE4135-7CD3-5C92-D8BA-8B6ADF4F866A> /Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/lib-dynload/select.so
0x1026bd000 - 0x1026beff7 +fcntl.so (???) <65448CBF-233E-1A16-976B-7C02357CFAAE> /Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/lib-dynload/fcntl.so
0x102701000 - 0x102702fff +_hashlib.so (???) <F3E00F49-7684-BCA0-3053-6E36EEED082A> /Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/lib-dynload/_hashlib.so
0x102706000 - 0x102707fff +_random.so (???) <479693CA-BFEF-F888-1CE7-9BD4FD43BBAA> /Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/lib-dynload/_random.so
0x10278a000 - 0x102799fff +cPickle.so (???) <72BD5DBF-624F-B0F4-0783-F75BB293F602> /Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/lib-dynload/cPickle.so
0x1027a1000 - 0x1027b6ff7 +_io.so (???) <AC3AF946-5DCF-662C-0DC7-5F57FDD3CD4B> /Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/lib-dynload/_io.so
0x1027ce000 - 0x1027d3fff +_json.so (???) <E4EE27AB-C49E-6A19-B603-1DA85AD3AF1E> /Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/lib-dynload/_json.so
0x1027d8000 - 0x1027dbff7 +zlib.so (???) <7627B90E-3DA2-DE67-F574-CBE4F8816949> /Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/lib-dynload/zlib.so
0x1027e0000 - 0x1027e5fff +array.so (???) <142AB497-D764-55A8-7FDB-D2A154D3054E> /Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/lib-dynload/array.so
0x1027ed000 - 0x1027edfff +_bisect.so (???) <6FA6B60B-13DC-2E86-D409-628062C08CAC> /Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/lib-dynload/_bisect.so
0x1027f0000 - 0x1027f0fff +grp.so (???) <0F086696-FDA8-FABD-5051-D2B342BB56A6> /Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/lib-dynload/grp.so
0x1027f3000 - 0x1027f5ff7 +readline.so (???) <6EA1FE1F-B78C-23EF-A4C2-9B7E9FB8B643> /Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/lib-dynload/readline.so
0x105080000 - 0x105114fef +unicodedata.so (???) <6C701F70-D60D-E225-74D2-C8A0A7651DA5> /Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/lib-dynload/unicodedata.so
0x1054c0000 - 0x105562ff7 +_sqlite3.so (???) <E90E5264-66AD-9194-19E2-74231C7F9B84> /Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/lib-dynload/_sqlite3.so
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0x1059ef000 - 0x105a43fe7 +libncursesw.5.dylib (5) <3F0079C0-01C1-3CB8-19CA-F9B49AA4F4A4> /Library/Frameworks/Python.framework/Versions/2.7/lib/libncursesw.5.dylib
0x7fff66402000 - 0x7fff66435817 dyld (239.3) <D1DFCF3F-0B0C-332A-BCC0-87A851B570FF> /usr/lib/dyld
0x7fff8b52f000 - 0x7fff8b57dfff libcorecrypto.dylib (161.1) <F3973C28-14B6-3006-BB2B-00DD7F09ABC7> /usr/lib/system/libcorecrypto.dylib
0x7fff8b6dd000 - 0x7fff8b6e1fff libsystem_stats.dylib (93.1.26) <B9E26A9E-FBBC-3938-B8B7-6CF7CA8C99AD> /usr/lib/system/libsystem_stats.dylib
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0x7fff8ba31000 - 0x7fff8bc16ff7 com.apple.CoreFoundation (6.9 - 855.11) <E22C6A1F-8996-349C-905E-96C3BBE07C2F> /System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation
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0x7fff8eb06000 - 0x7fff8eb07ff7 libDiagnosticMessagesClient.dylib (100) <4CDB0F7B-C0AF-3424-BC39-495696F0DB1E> /usr/lib/libDiagnosticMessagesClient.dylib
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0x7fff91c66000 - 0x7fff91c67fff libunc.dylib (28) <62682455-1862-36FE-8A04-7A6B91256438> /usr/lib/system/libunc.dylib
0x7fff924f2000 - 0x7fff92534ff7 libauto.dylib (185.5) <F45C36E8-B606-3886-B5B1-B6745E757CA8> /usr/lib/libauto.dylib
0x7fff92e90000 - 0x7fff92eb7ff7 libsystem_network.dylib (241.3) <8B1E1F1D-A5CC-3BAE-8B1E-ABC84337A364> /usr/lib/system/libsystem_network.dylib
0x7fff92eb8000 - 0x7fff92edcfff libxpc.dylib (300.1.17) <4554927A-9467-365C-91F1-5A116989DD7F> /usr/lib/system/libxpc.dylib
0x7fff932d8000 - 0x7fff932dbff7 libdyld.dylib (239.3) <62F4D752-4089-31A8-8B73-B95A68893B3C> /usr/lib/system/libdyld.dylib
0x7fff9332e000 - 0x7fff9333fff7 libz.1.dylib (53) <42E0C8C6-CA38-3CA4-8619-D24ED5DD492E> /usr/lib/libz.1.dylib
0x7fff938ed000 - 0x7fff938f1ff7 libcache.dylib (62) <BDC1E65B-72A1-3DA3-A57C-B23159CAAD0B> /usr/lib/system/libcache.dylib
0x7fff938f2000 - 0x7fff938f2ff7 libkeymgr.dylib (28) <3AA8D85D-CF00-3BD3-A5A0-E28E1A32A6D8> /usr/lib/system/libkeymgr.dylib
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0x7fff9526d000 - 0x7fff9527dfff libbsm.0.dylib (33) <2CAC00A2-1352-302A-88FA-C567D4D69179> /usr/lib/libbsm.0.dylib
0x7fff95326000 - 0x7fff95328ff7 libquarantine.dylib (71) <7A1A2BCB-C03D-3A25-BFA4-3E569B2D2C38> /usr/lib/system/libquarantine.dylib
0x7fff95454000 - 0x7fff95470ff7 libsystem_kernel.dylib (2422.1.72) <D14913DB-47F1-3591-8DAF-D4B4EF5F8818> /usr/lib/system/libsystem_kernel.dylib
0x7fff9547a000 - 0x7fff95559fff libcrypto.0.9.8.dylib (50) <B95B9DBA-39D3-3EEF-AF43-44608B28894E> /usr/lib/libcrypto.0.9.8.dylib
0x7fff9683c000 - 0x7fff96856fff libdispatch.dylib (339.1.9) <46878A5B-4248-3057-962C-6D4A235EEF31> /usr/lib/system/libdispatch.dylib
0x7fff96ba8000 - 0x7fff96badff7 libunwind.dylib (35.3) <78DCC358-2FC1-302E-B395-0155B47CB547> /usr/lib/system/libunwind.dylib
0x7fff96ee0000 - 0x7fff96f10fff libncurses.5.4.dylib (42) <BF763D62-9149-37CB-B1D2-F66A2510E6DD> /usr/lib/libncurses.5.4.dylib
0x7fff96f4c000 - 0x7fff96f4dff7 libsystem_sandbox.dylib (278.10) <A47E7E11-3C76-318E-B67D-98972B86F094> /usr/lib/system/libsystem_sandbox.dylib
0x7fff96f5c000 - 0x7fff97114ff3 libicucore.A.dylib (511.25) <3ED7B656-416E-3071-AEC8-E85C90232F78> /usr/lib/libicucore.A.dylib
0x7fff9712c000 - 0x7fff97132ff7 libsystem_platform.dylib (24.1.4) <331BA4A5-55CE-3B95-99EB-44E0C89D7FB8> /usr/lib/system/libsystem_platform.dylib
0x7fff97305000 - 0x7fff9730cff7 libsystem_pthread.dylib (53.1.4) <AB498556-B555-310E-9041-F67EC9E00E2C> /usr/lib/system/libsystem_pthread.dylib
0x7fff974a2000 - 0x7fff974a4ff3 libsystem_configuration.dylib (596.12) <C4F633D9-94C8-35D9-BB2D-84C5122533C7> /usr/lib/system/libsystem_configuration.dylib
0x7fff97e86000 - 0x7fff97e87ff7 libSystem.B.dylib (1197.1.1) <BFC0DC97-46C6-3BE0-9983-54A98734897A> /usr/lib/libSystem.B.dylib
0x7fff97e88000 - 0x7fff97eafffb libsystem_info.dylib (449.1.3) <7D41A156-D285-3849-A2C3-C04ADE797D98> /usr/lib/system/libsystem_info.dylib
0x7fff985f5000 - 0x7fff98647fff libc++.1.dylib (120) <4F68DFC5-2077-39A8-A449-CAC5FDEE7BDE> /usr/lib/libc++.1.dylib
External Modification Summary:
Calls made by other processes targeting this process:
task_for_pid: 0
thread_create: 0
thread_set_state: 0
Calls made by this process:
task_for_pid: 0
thread_create: 0
thread_set_state: 0
Calls made by all processes on this machine:
task_for_pid: 116595
thread_create: 424
thread_set_state: 0
VM Region Summary:
ReadOnly portion of Libraries: Total=80.5M resident=13.2M(16%) swapped_out_or_unallocated=67.4M(84%)
Writable regions: Total=93.3M written=15.2M(16%) resident=20.4M(22%) swapped_out=0K(0%) unallocated=72.9M(78%)
REGION TYPE VIRTUAL
=========== =======
Kernel Alloc Once 4K
MALLOC 84.8M
MALLOC (admin) 16K
STACK GUARD 56.0M
Stack 8192K
VM_ALLOCATE 12K
__DATA 2016K
__LINKEDIT 66.4M
__TEXT 14.1M
__UNICODE 544K
shared memory 4K
=========== =======
TOTAL 231.8M
Model: MacBookPro10,1, BootROM MBP101.00EE.B02, 4 processors, Intel Core i7, 2.3 GHz, 8 GB, SMC 2.3f36
Graphics: Intel HD Graphics 4000, Intel HD Graphics 4000, Built-In, 1024 MB
Graphics: NVIDIA GeForce GT 650M, NVIDIA GeForce GT 650M, PCIe, 1024 MB
Memory Module: BANK 0/DIMM0, 4 GB, DDR3, 1600 MHz, 0x80AD, 0x484D54333531533642465238432D50422020
Memory Module: BANK 1/DIMM0, 4 GB, DDR3, 1600 MHz, 0x80AD, 0x484D54333531533642465238432D50422020
AirPort: spairport_wireless_card_type_airport_extreme (0x14E4, 0xEF), Broadcom BCM43xx 1.0 (5.106.98.100.22)
Bluetooth: Version 4.2.0f6 12982, 3 services, 15 devices, 1 incoming serial ports
Network Service: Wi-Fi, AirPort, en0
Serial ATA Device: APPLE SSD SM256E, 251 GB
USB Device: Hub
USB Device: FaceTime HD Camera (Built-in)
USB Device: Hub
USB Device: Hub
USB Device: Apple Internal Keyboard / Trackpad
USB Device: BRCM20702 Hub
USB Device: Bluetooth USB Host Controller
Thunderbolt Bus: MacBook Pro, Apple Inc., 23.4