add newline at end

Author: zariiii9003

setup.cfg

@@ -9,4 +9,4 @@ no_implicit_optional = True
 disallow_incomplete_defs = True
 warn_redundant_casts = True
 warn_unused_ignores = True
-exclude = (^venv|^test|^can/interfaces|^setup.py$)
+exclude = (^venv|^test|^can/interfaces|^setup.py$)