#0  PyType_IsSubtype (a=0xfffffffffffffffd, b=0x7f65e8fbd6a0)
#1  0x00007f65e8da89fc in ?? ()
#2  0x0000000002eed050 in ?? ()
#3  0x00007ffff3171260 in ?? ()
#4  0x00000000023651e0 in ?? ()
#5  0x0000000000000001 in ?? ()
#6  0x0000000002eed270 in ?? ()
#7  0x0000000002ef7690 in ?? ()
#8  0x0000000000000050 in ?? ()
#9  0x000000000045d533 in PyString_FromString (
#10 0x0000000002e932bc in ?? ()
#11 0x0000000000000050 in ?? ()
#12 0x0000000000000001 in ?? ()
#13 0x0000000002ef7690 in ?? ()
#14 0x00007f65e8da8d23 in ?? ()
#15 0x0000000200000000 in ?? ()
#16 0x00007ffff31714d0 in ?? ()
#17 0x00007f65e8db6636 in ?? ()
#18 0x0000000002eaa7e8 in ?? ()
#19 0x0000000000000002 in ?? ()
#20 0x0000000200000001 in ?? ()
#21 0x00000000008211e0 in ?? ()
#22 0x000000000046d224 in _PyType_Lookup (type=0x0, name=0x0)
#23 0x00000000008211e0 in ?? ()
#24 0x00007ffff3171370 in ?? ()
#25 0x0000000000000001 in ?? ()
#26 0x00007ffff31713a0 in ?? ()
#27 0x00007ffff3171460 in ?? ()
#28 0x0000000000533ce0 in ?? ()
#29 0x00000000023e92c0 in ?? ()
#30 0x0000000002eed270 in ?? ()
#31 0x00000000023651e0 in ?? ()
#32 0x0000000000000001 in ?? ()
#33 0x0000000000867a30 in ?? ()
#34 0x0000000000000030 in ?? ()
#35 0x00007ffff3171470 in ?? ()
#36 0x0000000000000088 in ?? ()
#37 0x0000000000000000 in ?? ()