title: osx 10.10.5 Python 2.7 "Fatal Python error: PyThreadState_Get: no current thread Abort trap: 6" error
body: <p>I am using homebrew python 2.7 and I installed nupic</p>
  <pre><code>$ pip install nupic
  </code></pre>
  <p>Then I get error when i try to import nupic</p>
  <pre><code>$ python
  Python 2.7.11 (default, Jan 22 2016, 08:28:37) 
  [GCC 4.2.1 Compatible Apple LLVM 7.0.2 (clang-700.1.81)] on darwin
  Type &quot;help&quot;, &quot;copyright&quot;, &quot;credits&quot; or &quot;license&quot; for more information.
  &gt;&gt;&gt; from nupic.bindings.algorithms import SpatialPooler as SP
  Fatal Python error: PyThreadState_Get: no current thread
  Abort trap: 6
  $ 
  </code></pre>
  <p>After I get the error:</p>
  <blockquote>
  <p>Fatal Python error: PyThreadState_Get: no current thread</p>
  <p>Abort trap: 6</p>
  </blockquote>
  <p>Python exits and it asks if i want to report it to apple.
  Here is the report.</p>
  <pre><code>Process:               Python [72449]
  Path:                  /usr/local/Cellar/python/2.7.11/Frameworks/Python.framework/Versions/2.7/Resources/Python.app/Contents/MacOS/Python
  Identifier:            Python
  Version:               2.7.11 (2.7.11)
  Code Type:             X86-64 (Native)
  Parent Process:        bash [93469]
  Responsible:           Terminal [93466]
  User ID:               501
  
  Date/Time:             2016-02-06 17:30:50.442 +0900
  OS Version:            Mac OS X 10.10.5 (14F1021)
  Report Version:        11
  Anonymous UUID:        855D5299-1DD9-879D-F358-9483D5CA0033
  
  Sleep/Wake UUID:       A2948A3A-B3AB-4F3C-8214-250AAC8AB13F
  
  Time Awake Since Boot: 75000 seconds
  Time Since Wake:       7800 seconds
  
  Crashed Thread:        0  Dispatch queue: com.apple.main-thread
  
  Exception Type:        EXC_CRASH (SIGABRT)
  Exception Codes:       0x0000000000000000, 0x0000000000000000
  
  Application Specific Information:
  abort() called
  
  Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
  0   libsystem_kernel.dylib          0x00007fff85532286 __pthread_kill + 10
  1   libsystem_c.dylib               0x00007fff932e79b3 abort + 129
  2   org.python.python               0x000000010a8fa2a3 Py_FatalError + 49
  3   org.python.python               0x000000010a8f9785 PyThreadState_Get + 28
  4   org.python.python               0x000000010a8f6522 Py_InitModule4_64 + 62
  5   _algorithms.so                  0x000000010a0d7c7c init_algorithms + 796
  6   org.python.python               0x0000000108fdb98b _PyImport_LoadDynamicModule + 140
  7   org.python.python               0x0000000108fdb422 imp_load_module + 243
  8   org.python.python               0x0000000108fc5be5 PyEval_EvalFrameEx + 26858
  9   org.python.python               0x0000000108fc9745 fast_function + 264
  10  org.python.python               0x0000000108fc5b0b PyEval_EvalFrameEx + 26640
  11  org.python.python               0x0000000108fbf109 PyEval_EvalCodeEx + 1583
  12  org.python.python               0x0000000108fbead4 PyEval_EvalCode + 54
  13  org.python.python               0x0000000108fd7f0f PyImport_ExecCodeModuleEx + 241
  14  org.python.python               0x0000000108fdac27 load_source_module + 1089
  15  org.python.python               0x0000000108fda689 import_submodule + 267
  16  org.python.python               0x0000000108fda24f load_next + 284
  17  org.python.python               0x0000000108fd946b PyImport_ImportModuleLevel + 1195
  18  org.python.python               0x0000000108fba70a builtin___import__ + 135
  19  org.python.python               0x0000000108f45ef0 PyObject_Call + 99
  20  org.python.python               0x0000000108fc9087 PyEval_CallObjectWithKeywords + 165
  21  org.python.python               0x0000000108fc438a PyEval_EvalFrameEx + 20623
  22  org.python.python               0x0000000108fbf109 PyEval_EvalCodeEx + 1583
  23  org.python.python               0x0000000108fbead4 PyEval_EvalCode + 54
  24  org.python.python               0x0000000108fe2eb9 run_mod + 53
  25  org.python.python               0x0000000108fe2f5c PyRun_FileExFlags + 133
  26  org.python.python               0x0000000108fe2aab PyRun_SimpleFileExFlags + 698
  27  org.python.python               0x0000000108ff445d Py_Main + 3137
  28  libdyld.dylib                   0x00007fff9331a5c9 start + 1
  
  Thread 0 crashed with X86 Thread State (64-bit):
    rax: 0x0000000000000000  rbx: 0x0000000000000006  rcx: 0x00007fff56ccd9f8  rdx: 0x0000000000000000
    rdi: 0x0000000000000713  rsi: 0x0000000000000006  rbp: 0x00007fff56ccda20  rsp: 0x00007fff56ccd9f8
     r8: 0x00007fff56ccda10   r9: 0x00007fff75557300  r10: 0x0000000008000000  r11: 0x0000000000000206
    r12: 0x0000000109d92e94  r13: 0x000000010a4a9010  r14: 0x00007fff75557300  r15: 0x000000010906c310
    rip: 0x00007fff85532286  rfl: 0x0000000000000206  cr2: 0x00007fff75ea9fd8
    
  Logical CPU:     0
  Error Code:      0x02000148
  Trap Number:     133
  
  
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      0x7fff8ad93000 -     0x7fff8b1a0ff7  libLAPACK.dylib (1128) &lt;F9201AE7-B031-36DB-BCF8-971E994EF7C1&gt; /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libLAPACK.dylib
      0x7fff8b327000 -     0x7fff8b32eff7  libcompiler_rt.dylib (35) &lt;BF8FC133-EE10-3DA6-9B90-92039E28678F&gt; /usr/lib/system/libcompiler_rt.dylib
      0x7fff8bda2000 -     0x7fff8bdb8ff7  libsystem_asl.dylib (267) &lt;F153AC5B-0542-356E-88C8-20A62CA704E2&gt; /usr/lib/system/libsystem_asl.dylib
      0x7fff8bdf2000 -     0x7fff8bdf4fff  libsystem_sandbox.dylib (358.20.5) &lt;3F5E973F-C702-31AC-97BC-05F5C195683C&gt; /usr/lib/system/libsystem_sandbox.dylib
      0x7fff8c836000 -     0x7fff8ca3046f  libobjc.A.dylib (647) &lt;759E155D-BC42-3D4E-869B-6F57D477177C&gt; /usr/lib/libobjc.A.dylib
      0x7fff8cb22000 -     0x7fff8cb5afff  libsystem_network.dylib (412.20.3) &lt;6105C134-6722-3C0A-A4CE-5E1261E2E1CC&gt; /usr/lib/system/libsystem_network.dylib
      0x7fff8cbcb000 -     0x7fff8cbccfff  libsystem_secinit.dylib (18) &lt;581DAD0F-6B63-3A48-B63B-917AF799ABAA&gt; /usr/lib/system/libsystem_secinit.dylib
      0x7fff8cbcd000 -     0x7fff8cbd6ff7  libsystem_notify.dylib (133.1.1) &lt;61147800-F320-3DAA-850C-BADF33855F29&gt; /usr/lib/system/libsystem_notify.dylib
      0x7fff8ccbc000 -     0x7fff8ccbcfff  com.apple.Accelerate.vecLib (3.10 - vecLib 3.10) &lt;9D749502-A228-3BF1-B52F-A182DEEB2C4D&gt; /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/vecLib
      0x7fff8d03e000 -     0x7fff8d044fff  libsystem_trace.dylib (72.20.1) &lt;840F5301-B55A-3078-90B9-FEFFD6CD741A&gt; /usr/lib/system/libsystem_trace.dylib
      0x7fff8dd5f000 -     0x7fff8dd65ff7  libsystem_networkextension.dylib (167.40.3) &lt;BA58B30B-8377-3B0A-8AE3-4F84021D9D4E&gt; /usr/lib/system/libsystem_networkextension.dylib
      0x7fff8dd66000 -     0x7fff8dd90ff7  libdispatch.dylib (442.50.1) &lt;A61E703C-784A-3698-B513-75DD12AAD6DC&gt; /usr/lib/system/libdispatch.dylib
      0x7fff8e065000 -     0x7fff8e06aff7  libmacho.dylib (862) &lt;126CA2ED-DE91-308F-8881-B9DAEC3C63B6&gt; /usr/lib/system/libmacho.dylib
      0x7fff8ef0d000 -     0x7fff8ef0dfff  com.apple.Accelerate (1.10 - Accelerate 1.10) &lt;2C8AF258-4F11-3BEC-A826-22D7199B3975&gt; /System/Library/Frameworks/Accelerate.framework/Versions/A/Accelerate
      0x7fff8ef4c000 -     0x7fff8ef55fff  libsystem_pthread.dylib (105.40.1) &lt;ACE90967-ECD0-3251-AEEB-461E3C6414F7&gt; /usr/lib/system/libsystem_pthread.dylib
      0x7fff8f9c2000 -     0x7fff8f9c3fff  libDiagnosticMessagesClient.dylib (100) &lt;2EE8E436-5CDC-34C5-9959-5BA218D507FB&gt; /usr/lib/libDiagnosticMessagesClient.dylib
      0x7fff9028b000 -     0x7fff9039dff7  libvDSP.dylib (516) &lt;151B3CCB-77D3-3715-A3D0-7C74CD5C7FFC&gt; /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libvDSP.dylib
      0x7fff914ff000 -     0x7fff91504ff7  libunwind.dylib (35.3) &lt;BE7E51A0-B6EA-3A54-9CCA-9D88F683A6D6&gt; /usr/lib/system/libunwind.dylib
      0x7fff917f1000 -     0x7fff9186afe7  libcorecrypto.dylib (233.30.1) &lt;5779FFA0-4D9A-3AD4-B7F2-618227621DC8&gt; /usr/lib/system/libcorecrypto.dylib
      0x7fff91adc000 -     0x7fff91ae4fff  libsystem_dnssd.dylib (576.50.2) &lt;9EC5AF92-D0D2-3BDE-92B6-D3730D3865C8&gt; /usr/lib/system/libsystem_dnssd.dylib
      0x7fff91eaf000 -     0x7fff91f5efe7  libvMisc.dylib (516) &lt;6739E390-46E7-3BFA-9B69-B278562326E6&gt; /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libvMisc.dylib
      0x7fff91f5f000 -     0x7fff922f7ff7  com.apple.CoreFoundation (6.9 - 1153.18) &lt;5C0892B8-9691-341F-9279-CA3A74D59AA0&gt; /System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation
      0x7fff922fc000 -     0x7fff924e1ff7  libicucore.A.dylib (531.50) &lt;CAA7ACE0-4012-3A13-864D-2B56B4B072FD&gt; /usr/lib/libicucore.A.dylib
      0x7fff92a54000 -     0x7fff92a7cfff  libxpc.dylib (559.40.1) &lt;5C829202-962E-3744-8B50-00D38CC88E84&gt; /usr/lib/system/libxpc.dylib
      0x7fff92acd000 -     0x7fff92af8fff  libc++abi.dylib (125) &lt;88A22A0F-87C6-3002-BFBA-AC0F2808B8B9&gt; /usr/lib/libc++abi.dylib
      0x7fff92c13000 -     0x7fff92c1efff  libcommonCrypto.dylib (60061.30.1) &lt;E789748D-F9A7-3CFF-B317-90DF348B1E95&gt; /usr/lib/system/libcommonCrypto.dylib
      0x7fff9328a000 -     0x7fff93316fe7  libsystem_c.dylib (1044.40.1) &lt;F0635E0F-FE4B-34DB-ACF9-A58C1E9070E9&gt; /usr/lib/system/libsystem_c.dylib
      0x7fff93317000 -     0x7fff9331aff7  libdyld.dylib (353.2.3) &lt;CFBBE540-D503-3AFC-B5D6-644F1E69949B&gt; /usr/lib/system/libdyld.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: 73166
      thread_create: 0
      thread_set_state: 0
  
  VM Region Summary:
  ReadOnly portion of Libraries: Total=109.5M resident=95.1M(87%) swapped_out_or_unallocated=14.4M(13%)
  Writable regions: Total=53.9M written=13.3M(25%) resident=15.8M(29%) swapped_out=0K(0%) unallocated=38.1M(71%)
   
  REGION TYPE                      VIRTUAL
  ===========                      =======
  Kernel Alloc Once                     4K
  MALLOC                             44.8M
  MALLOC (admin)                       16K
  STACK GUARD                        56.0M
  Stack                              8192K
  VM_ALLOCATE                          16K
  __DATA                             2940K
  __LINKEDIT                         75.9M
  __TEXT                             33.6M
  __UNICODE                           552K
  shared memory                         4K
  ===========                      =======
  TOTAL                             221.8M
  
  Model: MacBookPro12,1, BootROM MBP121.0167.B14, 2 processors, Intel Core i5, 2.7 GHz, 8 GB, SMC 2.28f7
  Graphics: Intel Iris Graphics 6100, Intel Iris Graphics 6100, Built-In
  Memory Module: BANK 0/DIMM0, 4 GB, DDR3, 1867 MHz, 0x80AD, 0x483943434E4E4E424C54414C41522D4E5544
  Memory Module: BANK 1/DIMM0, 4 GB, DDR3, 1867 MHz, 0x80AD, 0x483943434E4E4E424C54414C41522D4E5544
  AirPort: spairport_wireless_card_type_airport_extreme (0x14E4, 0x133), Broadcom BCM43xx 1.0 (7.15.166.24.3)
  Bluetooth: Version 4.3.6f3 16238, 3 services, 27 devices, 1 incoming serial ports
  Network Service: Wi-Fi, AirPort, en0
  Serial ATA Device: APPLE SSD SM0256G, 251 GB
  USB Device: Internal Memory Card Reader
  USB Device: Bluetooth USB Host Controller
  Thunderbolt Bus: MacBook Pro, Apple Inc., 27.1
  </code></pre>
  <p>The problem does not happen if I run the native python installed on my mac. The following works just fine.</p>
  <pre><code>$ /usr/bin/python
  Python 2.7.10 (default, Jul 14 2015, 19:46:27) 
  [GCC 4.2.1 Compatible Apple LLVM 6.0 (clang-600.0.39)] on darwin
  Type &quot;help&quot;, &quot;copyright&quot;, &quot;credits&quot; or &quot;license&quot; for more information.
  &gt;&gt;&gt; from nupic.bindings.algorithms import SpatialPooler as SP
  &gt;&gt;&gt; 
  </code></pre>
  <p>Any help would be greatly appreciated.</p>