[requires.io] dependency update

Author: requires

tox.ini

@@ -112,10 +112,10 @@ skip_install = True
 
 deps =
     flake8-bugbear==20.1.4
-    flake8==3.7.9
+    flake8==3.8.0
     mccabe==0.6.1
     pep8-naming==0.10.0
-    pycodestyle==2.5.0
+    pycodestyle==2.6.0
     pydocstyle==5.0.2
     # pin pyflakes pending a release with https://github.com/PyCQA/pyflakes/pull/455
     git+git://github.com/PyCQA/pyflakes@ffe9386#egg=pyflakes