StacktraceTop: PyUnicode_AsUTF8AndSize (psize=0x0, unicode=0x0) at ../Objects/unicodeobject.c:4009 PyUnicode_AsUTF8 (unicode=0x0) at ../Objects/unicodeobject.c:4042 _enter_buffered_busy (self=0x7f0333e949e8) at ../Modules/_io/bufferedio.c:308 buffered_flush (self=0x7f0333e949e8, args=<optimized out>) at ../Modules/_io/bufferedio.c:852 _PyCFunction_FastCallDict (func_obj=func_obj@entry=0x7f0331c2bd80, args=args@entry=0x0, nargs=nargs@entry=0, kwargs=kwargs@entry=0x0) at ../Objects/methodobject.c:192
StacktraceTop: AsUTF8AndSize (psize=0x0, unicode=0x0) at ../Objects/ unicodeobject. c:4009 unicodeobject. c:4042 buffered_ busy (self=0x7f0333e 949e8) at ../Modules/ _io/bufferedio. c:308 949e8, args=<optimized out>) at ../Modules/ _io/bufferedio. c:852 FastCallDict (func_obj= func_obj@ entry=0x7f0331c 2bd80, args=args@ entry=0x0, nargs=nargs@ entry=0, kwargs= kwargs@ entry=0x0) at ../Objects/ methodobject. c:192
PyUnicode_
PyUnicode_AsUTF8 (unicode=0x0) at ../Objects/
_enter_
buffered_flush (self=0x7f0333e
_PyCFunction_