CLI CI 2 (#12387)

Will run all CI because of _test change, but future PRs against CLI will
only trigger the new CLI one

Has a bunch of file changes related to formatting/linting.

No mypy yet - coming soon

libs/cli/langchain_cli/utils/git.py

@@ -1,15 +1,16 @@
-from typing import Optional, TypedDict
-from pathlib import Path
-
-import shutil
+import hashlib
 import re
+import shutil
+from pathlib import Path
+from typing import Optional, TypedDict
+
+from git import Repo
+
 from langchain_cli.constants import (
+    DEFAULT_GIT_REF,
     DEFAULT_GIT_REPO,
     DEFAULT_GIT_SUBDIRECTORY,
-    DEFAULT_GIT_REF,
 )
-import hashlib
-from git import Repo
 
 
 class DependencySource(TypedDict):