#0  sem_wait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/sem_wait.S:85
#1  0x00007fce1f294ac6 in PyThread_acquire_lock_timed (lock=0x2289bf0, microseconds=microseconds@entry=-1, intr_flag=intr_flag@entry=0)
    at src/python/Python/thread_pthread.h:352
#2  0x00007fce1f294be4 in PyThread_acquire_lock (lock=<optimized out>, waitflag=waitflag@entry=1) at src/python/Python/thread_pthread.h:556
#3  0x00007fce1f2d8bd2 in _enter_buffered_busy (self=0x2283858) at src/python/Modules/_io/bufferedio.c:292
#4  _io_BufferedWriter_write_impl (buffer=0x7fcdfaffad90, buffer=0x7fcdfaffad90, self=0x2283858) at src/python/Modules/_io/bufferedio.c:1942
#5  _io_BufferedWriter_write (self=0x2283858, arg=<optimized out>) at src/python/Modules/_io/clinic/bufferedio.c.h:376
#6  0x00007fce1f1b0804 in PyCFunction_Call (func=0x2489eb8, args=0x7fce00001e38, kwds=<optimized out>) at src/python/Objects/methodobject.c:134
#7  0x00007fce1f15c4ea in PyObject_Call (func=func@entry=0x2489eb8, arg=arg@entry=0x7fce00001e38, kw=kw@entry=0x0)
    at src/python/Objects/abstract.c:2165
#8  0x00007fce1f15d1f9 in PyObject_CallMethodObjArgs (callable=0x2489eb8, name=<optimized out>) at src/python/Objects/abstract.c:2394
#9  0x00007fce1f2dc76e in _textiowrapper_writeflush (self=self@entry=0x2284598) at src/python/Modules/_io/textio.c:1261
#10 0x00007fce1f2dd788 in _io_TextIOWrapper_write_impl (text=0x21ee250, self=0x2284598) at src/python/Modules/_io/textio.c:1348
#11 _io_TextIOWrapper_write (self=0x2284598, arg=<optimized out>) at src/python/Modules/_io/clinic/textio.c.h:209
#12 0x00007fce1f1b0804 in PyCFunction_Call (func=0x26cb318, args=0x24dc8c8, kwds=<optimized out>) at src/python/Objects/methodobject.c:134
#13 0x00007fce1f15c4ea in PyObject_Call (func=func@entry=0x26cb318, arg=arg@entry=0x24dc8c8, kw=<optimized out>) at src/python/Objects/abstract.c:2165
#14 0x00007fce1f240d77 in PyEval_CallObjectWithKeywords (func=func@entry=0x26cb318, arg=arg@entry=0x24dc8c8, kw=kw@entry=0x0)
    at src/python/Python/ceval.c:4580
#15 0x00007fce1f187d24 in PyFile_WriteObject (v=v@entry=0x21ee250, f=f@entry=0x2284598, flags=flags@entry=1) at src/python/Objects/fileobject.c:155
#16 0x00007fce1f187e5b in PyFile_WriteString (s=s@entry=0x7fce1f2f5e81 "\n", f=0x2284598) at src/python/Objects/fileobject.c:180
#17 0x00007fce1f23c80f in builtin_print (self=<optimized out>, args=0x26cfad8, kwds=<optimized out>) at src/python/Python/bltinmodule.c:1771
#18 0x00007fce1f1b0859 in PyCFunction_Call (func=func@entry=0x215f718, args=args@entry=0x26cfad8, kwds=kwds@entry=0x7fcdec0023b8)
    at src/python/Objects/methodobject.c:98
#19 0x00007fce1f24911c in ext_do_call (nk=<optimized out>, na=0, flags=<optimized out>, pp_stack=0x7fcdfaffb2e0, func=0x215f718)
    at src/python/Python/ceval.c:5031
#20 PyEval_EvalFrameEx (f=f@entry=0x7fcde0002b38, throwflag=throwflag@entry=0) at src/python/Python/ceval.c:3275
#21 0x00007fce1f248e2e in fast_function (nk=<optimized out>, na=<optimized out>, n=1, pp_stack=0x7fcdfaffb450, func=<optimized out>)
    at src/python/Python/ceval.c:4803
#22 call_function (oparg=<optimized out>, pp_stack=0x7fcdfaffb450) at src/python/Python/ceval.c:4730
#23 PyEval_EvalFrameEx (f=f@entry=0x7fce140038a8, throwflag=throwflag@entry=0) at src/python/Python/ceval.c:3236
#24 0x00007fce1f248e2e in fast_function (nk=<optimized out>, na=<optimized out>, n=1, pp_stack=0x7fcdfaffb5d0, func=<optimized out>)
    at src/python/Python/ceval.c:4803
#25 call_function (oparg=<optimized out>, pp_stack=0x7fcdfaffb5d0) at src/python/Python/ceval.c:4730
#26 PyEval_EvalFrameEx (f=f@entry=0x7fcde8002688, throwflag=throwflag@entry=0) at src/python/Python/ceval.c:3236
#27 0x00007fce1f248e2e in fast_function (nk=<optimized out>, na=<optimized out>, n=2, pp_stack=0x7fcdfaffb750, func=<optimized out>)
    at src/python/Python/ceval.c:4803
#28 call_function (oparg=<optimized out>, pp_stack=0x7fcdfaffb750) at src/python/Python/ceval.c:4730
#29 PyEval_EvalFrameEx (f=f@entry=0x7fcdec002e68, throwflag=throwflag@entry=0) at src/python/Python/ceval.c:3236
#30 0x00007fce1f24b256 in _PyEval_EvalCodeWithName (_co=0x7fce140060a0, globals=<optimized out>, locals=locals@entry=0x0, args=args@entry=0x7fcdec000fc0, argcount=2, kws=kws@entry=0x0, 
    kwcount=kwcount@entry=0, defs=defs@entry=0x0, defcount=defcount@entry=0, kwdefs=kwdefs@entry=0x0, closure=closure@entry=0x0, name=name@entry=0x0, qualname=qualname@entry=0x0)
    at src/python/Python/ceval.c:4018
#31 0x00007fce1f24b348 in PyEval_EvalCodeEx (_co=<optimized out>, globals=<optimized out>, locals=locals@entry=0x0, args=args@entry=0x7fcdec000fc0, argcount=<optimized out>, 
    kws=kws@entry=0x0, kwcount=kwcount@entry=0, defs=defs@entry=0x0, defcount=defcount@entry=0, kwdefs=0x0, closure=0x0)
    at src/python/Python/ceval.c:4039
#32 0x00007fce1f18daa6 in function_call (func=0x7fce140054d8, arg=0x7fcdec000fa8, kw=0x0) at src/python/Objects/funcobject.c:627
#33 0x00007fce1f15c4ea in PyObject_Call (func=func@entry=0x7fce140054d8, arg=arg@entry=0x7fcdec000fa8, kw=kw@entry=0x0)
    at src/python/Objects/abstract.c:2165
#34 0x00007fce1f17500d in method_call (func=0x7fce140054d8, arg=0x7fcdec000fa8, kw=0x0) at src/python/Objects/classobject.c:330
#35 0x00007fce1f15c4ea in PyObject_Call (func=func@entry=0x7fcde80023b8, arg=arg@entry=0x26d0e88, kw=kw@entry=0x0)
    at src/python/Objects/abstract.c:2165
#36 0x00007fce1f1c90c9 in slot_tp_init (self=0x7fcdec002e28, args=0x26d0e88, kwds=0x0) at src/python/Objects/typeobject.c:6268
#37 0x00007fce1f1c6006 in type_call (type=<optimized out>, args=0x26d0e88, kwds=0x0) at src/python/Objects/typeobject.c:905
#38 0x00007fce1f15c4ea in PyObject_Call (func=func@entry=0x7fce14005b38, arg=arg@entry=0x26d0e88, kw=kw@entry=0x0)
    at src/python/Objects/abstract.c:2165
#39 0x00007fce1f244756 in do_call (nk=<optimized out>, na=<optimized out>, pp_stack=0x7fcdfaffbbf0, func=<optimized out>)
    at src/python/Python/ceval.c:4936
#40 call_function (oparg=<optimized out>, pp_stack=0x7fcdfaffbbf0) at src/python/Python/ceval.c:4732
#41 PyEval_EvalFrameEx (f=f@entry=0x7fcdec002ab8, throwflag=throwflag@entry=0) at src/python/Python/ceval.c:3236
#42 0x00007fce1f248e2e in fast_function (nk=<optimized out>, na=<optimized out>, n=1, pp_stack=0x7fcdfaffbd70, func=<optimized out>)
    at src/python/Python/ceval.c:4803
#43 call_function (oparg=<optimized out>, pp_stack=0x7fcdfaffbd70) at src/python/Python/ceval.c:4730
#44 PyEval_EvalFrameEx (f=f@entry=0x7fcdec0028f8, throwflag=throwflag@entry=0) at src/python/Python/ceval.c:3236
#45 0x00007fce1f248e2e in fast_function (nk=<optimized out>, na=<optimized out>, n=1, pp_stack=0x7fcdfaffbef0, func=<optimized out>)
    at src/python/Python/ceval.c:4803
#46 call_function (oparg=<optimized out>, pp_stack=0x7fcdfaffbef0) at src/python/Python/ceval.c:4730
#47 PyEval_EvalFrameEx (f=f@entry=0x7fcdec002738, throwflag=throwflag@entry=0) at src/python/Python/ceval.c:3236
#48 0x00007fce1f248e2e in fast_function (nk=<optimized out>, na=<optimized out>, n=1, pp_stack=0x7fcdfaffc070, func=<optimized out>)
    at src/python/Python/ceval.c:4803
#49 call_function (oparg=<optimized out>, pp_stack=0x7fcdfaffc070) at src/python/Python/ceval.c:4730
#50 PyEval_EvalFrameEx (f=f@entry=0x7fcdec001ef8, throwflag=throwflag@entry=0) at src/python/Python/ceval.c:3236
#51 0x00007fce1f24b256 in _PyEval_EvalCodeWithName (_co=0x220c590, globals=<optimized out>, locals=locals@entry=0x0, args=args@entry=0x26d0b20, argcount=1, kws=kws@entry=0x211f170, 
    kwcount=kwcount@entry=0, defs=defs@entry=0x0, defcount=defcount@entry=0, kwdefs=kwdefs@entry=0x0, closure=closure@entry=0x0, name=name@entry=0x0, qualname=qualname@entry=0x0)
    at src/python/Python/ceval.c:4018
#52 0x00007fce1f24b348 in PyEval_EvalCodeEx (_co=<optimized out>, globals=<optimized out>, locals=locals@entry=0x0, args=args@entry=0x26d0b20, argcount=<optimized out>, 
    kws=kws@entry=0x211f170, kwcount=kwcount@entry=0, defs=defs@entry=0x0, defcount=defcount@entry=0, kwdefs=0x0, closure=0x0)
    at src/python/Python/ceval.c:4039
#53 0x00007fce1f18db83 in function_call (func=0x2557f08, arg=0x26d0b08, kw=0x26cf378) at src/python/Objects/funcobject.c:627
#54 0x00007fce1f15c4ea in PyObject_Call (func=func@entry=0x2557f08, arg=arg@entry=0x26d0b08, kw=kw@entry=0x26cf378)
    at src/python/Objects/abstract.c:2165
#55 0x00007fce1f2444a3 in ext_do_call (nk=<optimized out>, na=0, flags=<optimized out>, pp_stack=0x7fcdfaffc3e0, func=0x2557f08)
    at src/python/Python/ceval.c:5034
#56 PyEval_EvalFrameEx (f=f@entry=0x7fcdec001cb8, throwflag=throwflag@entry=0) at src/python/Python/ceval.c:3275
#57 0x00007fce1f248e2e in fast_function (nk=<optimized out>, na=<optimized out>, n=1, pp_stack=0x7fcdfaffc550, func=<optimized out>)
    at src/python/Python/ceval.c:4803
#58 call_function (oparg=<optimized out>, pp_stack=0x7fcdfaffc550) at src/python/Python/ceval.c:4730
#59 PyEval_EvalFrameEx (f=f@entry=0x7fcdec001a48, throwflag=throwflag@entry=0) at src/python/Python/ceval.c:3236
#60 0x00007fce1f24b256 in _PyEval_EvalCodeWithName (_co=0x25a3090, globals=<optimized out>, locals=locals@entry=0x0, args=args@entry=0x26cff00, argcount=2, kws=kws@entry=0x211f170, 
    kwcount=kwcount@entry=0, defs=defs@entry=0x0, defcount=defcount@entry=0, kwdefs=kwdefs@entry=0x0, closure=closure@entry=0x0, name=name@entry=0x0, qualname=qualname@entry=0x0)
    at src/python/Python/ceval.c:4018
#61 0x00007fce1f24b348 in PyEval_EvalCodeEx (_co=<optimized out>, globals=<optimized out>, locals=locals@entry=0x0, args=args@entry=0x26cff00, argcount=<optimized out>, 
    kws=kws@entry=0x211f170, kwcount=kwcount@entry=0, defs=defs@entry=0x0, defcount=defcount@entry=0, kwdefs=0x0, closure=0x0)
    at src/python/Python/ceval.c:4039
#62 0x00007fce1f18db83 in function_call (func=0x24df9b8, arg=0x26cfee8, kw=0x26d08f8) at src/python/Objects/funcobject.c:627
#63 0x00007fce1f15c4ea in PyObject_Call (func=func@entry=0x24df9b8, arg=arg@entry=0x26cfee8, kw=kw@entry=0x26d08f8)
    at src/python/Objects/abstract.c:2165
#64 0x00007fce1f2444a3 in ext_do_call (nk=<optimized out>, na=0, flags=<optimized out>, pp_stack=0x7fcdfaffc8c0, func=0x24df9b8)
    at src/python/Python/ceval.c:5034
#65 PyEval_EvalFrameEx (f=f@entry=0x7fcdec001848, throwflag=throwflag@entry=0) at src/python/Python/ceval.c:3275
#66 0x00007fce1f248e2e in fast_function (nk=<optimized out>, na=<optimized out>, n=1, pp_stack=0x7fcdfaffca30, func=<optimized out>)
    at src/python/Python/ceval.c:4803
#67 call_function (oparg=<optimized out>, pp_stack=0x7fcdfaffca30) at src/python/Python/ceval.c:4730
#68 PyEval_EvalFrameEx (f=f@entry=0x7fcdec000ac8, throwflag=throwflag@entry=0) at src/python/Python/ceval.c:3236
#69 0x00007fce1f248e2e in fast_function (nk=<optimized out>, na=<optimized out>, n=1, pp_stack=0x7fcdfaffcbb0, func=<optimized out>)
    at src/python/Python/ceval.c:4803
#70 call_function (oparg=<optimized out>, pp_stack=0x7fcdfaffcbb0) at src/python/Python/ceval.c:4730
#71 PyEval_EvalFrameEx (f=f@entry=0x7fcdec0008d8, throwflag=throwflag@entry=0) at src/python/Python/ceval.c:3236
#72 0x00007fce1f24b256 in _PyEval_EvalCodeWithName (_co=0x23a3320, globals=<optimized out>, locals=locals@entry=0x0, args=args@entry=0x26d00c0, argcount=1, kws=kws@entry=0x0, 
    kwcount=kwcount@entry=0, defs=defs@entry=0x0, defcount=defcount@entry=0, kwdefs=kwdefs@entry=0x0, closure=closure@entry=0x0, name=name@entry=0x0, qualname=qualname@entry=0x0)
    at src/python/Python/ceval.c:4018
#73 0x00007fce1f24b348 in PyEval_EvalCodeEx (_co=<optimized out>, globals=<optimized out>, locals=locals@entry=0x0, args=args@entry=0x26d00c0, argcount=<optimized out>, kws=kws@entry=0x0, 
    kwcount=kwcount@entry=0, defs=defs@entry=0x0, defcount=defcount@entry=0, kwdefs=0x0, closure=0x0) at src/python/Python/ceval.c:4039
#74 0x00007fce1f18daa6 in function_call (func=0x24a67c8, arg=0x26d00a8, kw=0x0) at src/python/Objects/funcobject.c:627
#75 0x00007fce1f15c4ea in PyObject_Call (func=func@entry=0x24a67c8, arg=arg@entry=0x26d00a8, kw=kw@entry=0x0) at src/python/Objects/abstract.c:2165
#76 0x00007fce1f17500d in method_call (func=0x24a67c8, arg=0x26d00a8, kw=0x0) at src/python/Objects/classobject.c:330
#77 0x00007fce1f15c4ea in PyObject_Call (func=func@entry=0x7fcdf0000f08, arg=arg@entry=0x211f158, kw=<optimized out>)
    at src/python/Objects/abstract.c:2165
#78 0x00007fce1f240d77 in PyEval_CallObjectWithKeywords (func=0x7fcdf0000f08, arg=0x211f158, kw=<optimized out>) at src/python/Python/ceval.c:4580
#79 0x00007fce1f299a62 in t_bootstrap (boot_raw=0x26d06c0) at src/python/Modules/_threadmodule.c:998
#80 0x00007fce1eb14184 in start_thread (arg=0x7fcdfaffd700) at pthread_create.c:312
#81 0x00007fce1ee2437d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111