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

for more information, see https://pre-commit.ci

Author: pre-commit-ci[bot]

src/_pytest/assertion/__init__.py

@@ -123,6 +123,7 @@ def rootpath(self):
             return os.path.abspath(os.sep)
 
 
+
 def install_importhook(config: Config) -> rewrite.AssertionRewritingHook:
     """Try to install the rewrite hook, raise SystemError if it fails."""
     config.stash[assertstate_key] = AssertionState(config, "rewrite")