diff --git a/lib/py/setup.cfg b/lib/py/setup.cfg
index c6dab40..c9ed0ae 100644
--- a/lib/py/setup.cfg
+++ b/lib/py/setup.cfg
@@ -2,3 +2,5 @@
 optimize = 1
 [metadata]
 description-file = README.md
+[flake8]
+max-line-length = 100