[pre-commit.ci] auto fixes from pre-commit.com hooks

Author: pre-commit-ci[bot]

stdlib/@tests/test_cases/check_functools.py

@@ -86,10 +86,12 @@ def check_cache(x: int) -> int:
 def check_lru_cache(x: int) -> int:
     return x * 2
 
+
 @lru_cache(maxsize=32)
 def check_lru_cache_with_maxsize(x: int) -> int:
     return x * 2
 
+
 assert_type(check_lru_cache(3), int)
 assert_type(check_lru_cache_with_maxsize(3), int)
 # Type checkers should check the argument type, but this is currently not