style: format test files

Author: weibullguy

tests/__init__.py

@@ -1,2 +1 @@
-"""Tests package for python-lint-plus"""
-
+"""Tests package for python-lint-plus."""

tests/test_python_code.py

@@ -9,6 +9,6 @@ def get_name_len(name: str) -> int:
 
 
 def start():
-    "Run ... "
+    "Run ..."
     print(get_name_len("Doyle"))
     print(uuid.uuid4().hex)