use latest flake8 in tests, refs #370, #373

wwwjfy · wwwjfy · commit f1480fb0291c · 2019-01-30T20:57:34.000+08:00
diff --git a/tox.ini b/tox.ini
@@ -9,7 +9,7 @@ python =
 
 [testenv:flake8]
 basepython=python
-deps=flake8==3.5.0
+deps=flake8
 commands=flake8 gino
 
 [testenv]
