Python在运行~2分钟后总是崩溃

Question

我一直在为手势检测开发OpenCV，几天前python就开始随机崩溃了。它发生在我开始运行应用程序2分钟后，我真的不知道为什么。有人能帮忙吗？在

2016-06-11 22:28:23.294 python[1991:273050] -[CaptureDelegate doFireTimer:]: unrecognized selector sent to instance 0x7fec7bd0aa90
2016-06-11 22:28:23.296 python[1991:273050] An uncaught exception was raised
2016-06-11 22:28:23.296 python[1991:273050] -[CaptureDelegate doFireTimer:]: unrecognized selector sent to instance 0x7fec7bd0aa90
2016-06-11 22:28:23.296 python[1991:273050] (
    0   CoreFoundation                      0x00007fff868574f2 __exceptionPreprocess + 178
    1   libobjc.A.dylib                     0x00007fff8ff34f7e objc_exception_throw + 48
    2   CoreFoundation                      0x00007fff868c11ad -[NSObject(NSObject) doesNotRecognizeSelector:] + 205
    3   CoreFoundation                      0x00007fff867c7571 ___forwarding___ + 1009
    4   CoreFoundation                      0x00007fff867c70f8 _CF_forwarding_prep_0 + 120
    5   Foundation                          0x00007fff97405dec __NSFireTimer + 95
    6   CoreFoundation                      0x00007fff867d4b94 __CFRUNLOOP_IS_CALLING_OUT_TO_A_TIMER_CALLBACK_FUNCTION__ + 20
    7   CoreFoundation                      0x00007fff867d4823 __CFRunLoopDoTimer + 1075
    8   CoreFoundation                      0x00007fff867d437a __CFRunLoopDoTimers + 298
    9   CoreFoundation                      0x00007fff867cb871 __CFRunLoopRun + 1841
    10  CoreFoundation                      0x00007fff867caed8 CFRunLoopRunSpecific + 296
    11  Foundation                          0x00007fff97380ed9 -[NSRunLoop(NSRunLoop) runMode:beforeDate:] + 270
    12  Foundation                          0x00007fff97414fc3 -[NSRunLoop(NSRunLoop) runUntilDate:] + 108
    13  libopencv_videoio.3.1.dylib         0x0000000101fc9d11 _ZN12CvCaptureCAM9grabFrameEd + 241
    14  libopencv_videoio.3.1.dylib         0x0000000101fbda8f _ZN2cv12VideoCapture4grabEv + 31
    15  libopencv_videoio.3.1.dylib         0x0000000101fbde13 _ZN2cv12VideoCapture4readERKNS_12_OutputArrayE + 19
    16  cv2.cpython-35m-darwin.so           0x0000000100a9546f _ZL29pyopencv_cv_VideoCapture_readP7_objectS0_S0_ + 367
    17  Python                              0x00000001003fdfbe PyCFunction_Call + 60
    18  Python                              0x0000000100463ca9 PyEval_EvalFrameEx + 23725
    19  Python                              0x00000001004673fc _PyEval_EvalCodeWithName + 1949
    20  Python                              0x000000010045df93 PyEval_EvalCode + 75
    21  Python                              0x00000001004851ae run_mod + 58
    22  Python                              0x00000001004854cd PyRun_FileExFlags + 178
    23  Python                              0x0000000100484b5c PyRun_SimpleFileExFlags + 676
    24  Python                              0x0000000100499255 Py_Main + 3365
    25  python                              0x00000001003b7e3d python + 7741
    26  libdyld.dylib                       0x00007fff8f8cf5ad start + 1
)
2016-06-11 22:28:23.296 python[1991:273050] *** Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '-[CaptureDelegate doFireTimer:]: unrecognized selector sent to instance 0x7fec7bd0aa90'
*** First throw call stack:
(
    0   CoreFoundation                      0x00007fff868574f2 __exceptionPreprocess + 178
    1   libobjc.A.dylib                     0x00007fff8ff34f7e objc_exception_throw + 48
    2   CoreFoundation                      0x00007fff868c11ad -[NSObject(NSObject) doesNotRecognizeSelector:] + 205
    3   CoreFoundation                      0x00007fff867c7571 ___forwarding___ + 1009
    4   CoreFoundation                      0x00007fff867c70f8 _CF_forwarding_prep_0 + 120
    5   Foundation                          0x00007fff97405dec __NSFireTimer + 95
    6   CoreFoundation                      0x00007fff867d4b94 __CFRUNLOOP_IS_CALLING_OUT_TO_A_TIMER_CALLBACK_FUNCTION__ + 20
    7   CoreFoundation                      0x00007fff867d4823 __CFRunLoopDoTimer + 1075
    8   CoreFoundation                      0x00007fff867d437a __CFRunLoopDoTimers + 298
    9   CoreFoundation                      0x00007fff867cb871 __CFRunLoopRun + 1841
    10  CoreFoundation                      0x00007fff867caed8 CFRunLoopRunSpecific + 296
    11  Foundation                          0x00007fff97380ed9 -[NSRunLoop(NSRunLoop) runMode:beforeDate:] + 270
    12  Foundation                          0x00007fff97414fc3 -[NSRunLoop(NSRunLoop) runUntilDate:] + 108
    13  libopencv_videoio.3.1.dylib         0x0000000101fc9d11 _ZN12CvCaptureCAM9grabFrameEd + 241
    14  libopencv_videoio.3.1.dylib         0x0000000101fbda8f _ZN2cv12VideoCapture4grabEv + 31
    15  libopencv_videoio.3.1.dylib         0x0000000101fbde13 _ZN2cv12VideoCapture4readERKNS_12_OutputArrayE + 19
    16  cv2.cpython-35m-darwin.so           0x0000000100a9546f _ZL29pyopencv_cv_VideoCapture_readP7_objectS0_S0_ + 367
    17  Python                              0x00000001003fdfbe PyCFunction_Call + 60
    18  Python                              0x0000000100463ca9 PyEval_EvalFrameEx + 23725
    19  Python                              0x00000001004673fc _PyEval_EvalCodeWithName + 1949
    20  Python                              0x000000010045df93 PyEval_EvalCode + 75
    21  Python                              0x00000001004851ae run_mod + 58
    22  Python                              0x00000001004854cd PyRun_FileExFlags + 178
    23  Python                              0x0000000100484b5c PyRun_SimpleFileExFlags + 676
    24  Python                              0x0000000100499255 Py_Main + 3365
    25  python                              0x00000001003b7e3d python + 7741
    26  libdyld.dylib                       0x00007fff8f8cf5ad start + 1
)
libc++abi.dylib: terminating with uncaught exception of type NSException