Traceback (most recent call last):


 "/Users/nrryuya1/work/blockchain/nrryuya/vyper/tests/examples/tokens/ERC20_solidity_compatible/test/erc20_tests_1.py", line 406, 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):


 "<stdin>", line 1, in <module>


 "C:\Python27\lib\site-packages\scapy\sendrecv.py", line 15, in <module>

from scapy.arch.consts import DARWIN, FREEBSD, OPENBSD


 "C:\Python27\lib\site-packages\scapy\arch\__init__.py", line 96, in <module>

from scapy.arch.windows.compatibility import *


 "C:\Python27\lib\site-packages\scapy\arch\windows\compatibility.py", line 172, in <module>

scapy.sendrecv.sndrcv = sndrcv
AttributeError: 'module' object has no attribute 'sendrecv'
