Traceback (most recent call last):


 "/Users/nrryuya1/work/blockchain/nrryuya/vyper/tests/examples/tokens/ERC20_solidity_compatible/test/erc20_tests_1.py", line 422, in setUp

super().setUp()


 "/Users/nrryuya1/work/blockchain/nrryuya/vyper/tests/examples/tokens/ERC20_solidity_compatible/test/erc20_tests_1.py", line 52, in setUp

self.s.revert(self.initial_state)


 "/Users/nrryuya1/.pyenv/versions/vyper/lib/python3.6/site-packages/ethereum/tools/tester.py", line 297, in revert

self.block.transactions = self.block.transactions[:txcount]


 "/Users/nrryuya1/.pyenv/versions/vyper/lib/python3.6/site-packages/rlp/sedes/serializable.py", line 334, in field_fn_setter

raise AttributeError("can't set attribute")
AttributeError: can't set attribute

Traceback (most recent call last):


 "/usr/local/bin/typer", line 8, in <module>

sys.exit(main())


 "/usr/local/lib/python3.6/dist-packages/typer_cli/main.py", line 306, in main

return app()


 "/usr/local/lib/python3.6/dist-packages/typer/main.py", line 214, in __call__

return get_command(self)(*args, **kwargs)


 "/home/h/.local/lib/python3.6/site-packages/click/core.py", line 829, in __call__

return self.main(*args, **kwargs)


 "/home/h/.local/lib/python3.6/site-packages/click/core.py", line 782, in main

rv = self.invoke(ctx)


 "/usr/local/lib/python3.6/dist-packages/typer_cli/main.py", line 66, in invoke

self.maybe_add_run(ctx)


 "/usr/local/lib/python3.6/dist-packages/typer_cli/main.py", line 71, in maybe_add_run

maybe_add_run_to_cli(self)


 "/usr/local/lib/python3.6/dist-packages/typer_cli/main.py", line 144, in maybe_add_run_to_cli

obj = get_typer_from_state()


 "/usr/local/lib/python3.6/dist-packages/typer_cli/main.py", line 136, in get_typer_from_state

spec.loader.exec_module(module)
# type: ignore
AttributeError: 'zipimport.zipimporter' object has no attribute 'exec_module'
