#0  0x0000000000546914 in visit_decref () at ../Modules/gcmodule.c:373
  [Error: ../Modules/gcmodule.c was not found in source tree]
#1  0x0000000000564415 in type_traverse.lto_priv () at ../Objects/typeobject.c:3173
  [Error: ../Objects/typeobject.c was not found in source tree]
#2  0x000000000054ecf5 in subtract_refs () at ../Modules/gcmodule.c:398
  [Error: ../Modules/gcmodule.c was not found in source tree]
#3  collect () at ../Modules/gcmodule.c:969
  [Error: ../Modules/gcmodule.c was not found in source tree]
#4  0x00000000005ed28b in collect_with_callback () at ../Modules/gcmodule.c:1140
  [Error: ../Modules/gcmodule.c was not found in source tree]
#5  0x00000000005ed380 in PyGC_Collect () at ../Modules/gcmodule.c:1616
  [Error: ../Modules/gcmodule.c was not found in source tree]
#6  0x00000000005e7671 in Py_Finalize () at ../Python/pythonrun.c:607
  [Error: ../Python/pythonrun.c was not found in source tree]
#7  0x00000000005e7768 in Py_Exit (sts=sts@entry=1) at ../Python/pythonrun.c:2713
  [Error: ../Python/pythonrun.c was not found in source tree]
#8  0x0000000000539d80 in handle_system_exit () at ../Python/pythonrun.c:1812
  [Error: ../Python/pythonrun.c was not found in source tree]
#9  0x00000000005e779d in PyErr_PrintEx () at ../Python/pythonrun.c:1822
  [Error: ../Python/pythonrun.c was not found in source tree]
#10 0x00000000005e79c6 in PyErr_Print () at ../Python/pythonrun.c:1718
  [Error: ../Python/pythonrun.c was not found in source tree]
#11 PyRun_SimpleFileExFlags () at ../Python/pythonrun.c:1611
  [Error: ../Python/pythonrun.c was not found in source tree]
#12 0x00000000005fb69d in run_file (p_cf=<optimized out>, filename=<optimized out>, fp=<optimized out>) at ../Modules/main.c:319
  [Error: ../Modules/main.c was not found in source tree]
#13 Py_Main () at ../Modules/main.c:751
  [Error: ../Modules/main.c was not found in source tree]
#14 0x00000000004c2e7f in main () at ../Modules/python.c:69
  [Error: ../Modules/python.c was not found in source tree]
#15 0x00007f0d5cb78a40 in __libc_start_main (main=0x4c2da0 <main>, argc=2, argv=0x7ffe1b22e6d8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffe1b22e6c8) at libc-start.c:289
  [Error: libc-start.c was not found in source tree]
#16 0x00000000005b8db9 in _start ()