diff --git a/sideci.yml b/sideci.yml
new file mode 100644
index 0000000000..2e95afd9ca
--- /dev/null
+++ b/sideci.yml
@@ -0,0 +1,3 @@
+linter:
+  flake8:
+    version: 3
diff --git a/tox.ini b/tox.ini
new file mode 100644
index 0000000000..e998c42f14
--- /dev/null
+++ b/tox.ini
@@ -0,0 +1,15 @@
+[flake8]
+# C0111: docstrings
+# I0011: locally disabled warnings
+# R0801: similar lines
+# R0904: too many public methods
+# R0911: too many return statements
+# R0912: too many branches
+# R0913: too many arguments
+# R0903: too few public methods
+# W0141: used builtin 'map' function
+# W0142: used star magic
+# W0212: access to a protected member
+ignore = C0111,I0011,R0801,R0904,R0911,R0912,R0913,R0903,W0141,W0142,W0212
+exclude = .git,__pycache__
+max-line-length = 100