flake8: Move exclusion of versioneer to 'setup.cfg', ignore W504

Signed-off-by: Vasilis Tsiligiannis <acinonyx@openwrt.gr>

setup.cfg

@@ -66,8 +66,8 @@ install_requires =
 [flake8]
 max-complexity = 23
 max-line-length = 99
-ignore = F403
-exclude = *migrations/*,docs,*decoders/*
+ignore = F403,W504
+exclude = db/_version.py,db/base/migrations,docs
 
 # See the docstring in versioneer.py for instructions. Note that you must
 # re-run 'versioneer.py setup' after changing this section, and commit the

tox.ini

@@ -9,6 +9,5 @@ deps =
     flake8
 skip_install = True
 commands = flake8 \
-    --exclude 'db/_version.py,db' \
     setup.py \
     db