a different theseus exception

gistfile1.txt

(leastauthority.com) exarkun@baryon:~/Work/LeastAuthority/leastauthority.com/docker$ python -m TheseusHook -o /tmp/theseus.stats $(type -p tahoe) --help
Exception TypeError: 'isinstance() arg 2 must be a class, type, or tuple of classes and types' in <function remove at 0x7f210e8b2668> ignored
Exception TypeError: 'isinstance() arg 2 must be a class, type, or tuple of classes and types' in <function _remove at 0x7f210e5be1b8> ignored
Exception TypeError: 'isinstance() arg 2 must be a class, type, or tuple of classes and types' in <function _remove at 0x7f2112edfb90> ignored
(leastauthority.com) exarkun@baryon:~/Work/LeastAuthority/leastauthority.com/docker$ cat TheseusHook.py
import runpy

def main():
    from sys import argv
    assert argv[1] == b"-o"
    outpath = argv[2]

    del argv[:3]

    from theseus import Tracer
    t = Tracer()
    t.install()
    try:
        runpy.run_path(argv[0])
    finally:
        with open(outpath, "wb") as trace_file:
            t.write_data(trace_file)

if __name__ == '__main__':
    main()
(leastauthority.com) exarkun@baryon:~/Work/LeastAuthority/leastauthority.com/docker$ python -m TheseusHook -o /tmp/theseus.stats $(type -p tahoe) --help
Exception TypeError: 'isinstance() arg 2 must be a class, type, or tuple of classes and types' in <function remove at 0x7fe12a7f4668> ignored
Exception TypeError: 'isinstance() arg 2 must be a class, type, or tuple of classes and types' in <function _remove at 0x7fe12a5001b8> ignored
Exception TypeError: 'isinstance() arg 2 must be a class, type, or tuple of classes and types' in <function _remove at 0x7fe12ee21b90> ignored
(leastauthority.com) exarkun@baryon:~/Work/LeastAuthority/leastauthority.com/docker$