Appease CI setup

pyproject.toml

@@ -58,7 +58,7 @@ commands = pytest test/ --cov={toxinidir}/simple_message_channels/ --no-cov-on-f
 [testenv:lint]
 skipdist = True
 deps = flake8
-commands = flake8 {posargs:--max-line-length 80} simple_message_channels/ test/
+commands = flake8 {posargs:--max-line-length 80} --ignore="E203" simple_message_channels/ test/
 
 [testenv:sort]
 skipdist = True

simple_message_channels/smc.py

@@ -1,5 +1,5 @@
 """Sans I/O wire protocol for Hypercore"""
-from typing import List, Optional, Tuple
+from typing import List, Tuple
 
 import attr
 from pyvarint import encode, encoding_length

test/conftest.py

@@ -1,4 +1,5 @@
 import pytest
+
 from simple_message_channels import SimpleMessageChannel as SMC