Ignore more dirs in flake8 tests (#31)

Author: scop

tox.ini

@@ -25,4 +25,4 @@ basepython = pypy3
 [testenv:flake8]
 deps = flake8
        flake8-import-order
-commands = flake8 --statistics --show-source --ignore=E501 --exclude=.venv,.tox,*egg .
+commands = flake8 --statistics --show-source --ignore=E501 --exclude=.venv,.tox,*egg,*.egg-info,build,dist .