
Traceback (most recent call last):


 "/usr/lib64/python3.6/doctest.py", line 1330, in __run

compileflags, 1), test.globs)


 "<doctest __main__.human_readable[1]>", line 1, in <module>

human_readable(1500)


 "ranger/ext/human_readable.py", line 24, in human_readable

if SettingsAware.settings.size_in_bytes:

AttributeError: type object 'SettingsAware' has no attribute 'settings'

Traceback (most recent call last):


 "/Users/nrryuya1/work/blockchain/nrryuya/vyper/tests/examples/tokens/ERC20_solidity_compatible/test/erc20_tests_2.py", line 144, in setUp

super().setUp()


 "/Users/nrryuya1/work/blockchain/nrryuya/vyper/tests/examples/tokens/ERC20_solidity_compatible/utils/pyethereum_test_utils.py", line 54, 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
