Merge pull request #430 from fantix/pyup-update-flake8-3.5.0-to-3.7.1

Update flake8 to 3.7.1

Author: wwwjfy

requirements_dev.txt

@@ -13,7 +13,7 @@ quart==0.8.0;python_version>="3.7"  # pyup: update minor
 
 # tests
 coverage==4.5.1  # pyup: update minor
-flake8==3.5.0  # pyup: update minor
+flake8==3.7.1  # pyup: update minor
 tox==3.7.0  # pyup: update minor
 pytest==4.1.0  # pyup: update minor
 pytest-runner==4.2  # pyup: update minor

tox.ini

@@ -9,7 +9,7 @@ python =
 
 [testenv:flake8]
 basepython=python
-deps=flake8==3.5.0
+deps=flake8
 commands=flake8 gino
 
 [testenv]