misc: Run pre-commit run --all-files

This is reflect the updates made to black when running `pre-commit
autoupdate`.

Change-Id: Ifb7fea117f354c7f02f26926a5afdf7d67bc5919

configs/example/memcheck.py

@@ -260,6 +260,7 @@ system.memchecker = MemChecker()
 # For each level, track the next subsys index to use
 next_subsys_index = [0] * (len(cachespec) + 1)
 
+
 # Recursive function to create a sub-tree of the cache and tester
 # hierarchy
 def make_cache_level(ncaches, prototypes, level, next_cache):