[mypy] runs mypy on lfu_cache and lru_cache

Author: spazm

Diff for: mypy.ini

@@ -2,4 +2,4 @@
 ignore_missing_imports = True
 install_types = True
 non_interactive = True
-exclude = (other/least_recently_used.py|other/lfu_cache.py|other/lru_cache.py)
+exclude = (other/least_recently_used.py)