CM-55207-Ruff fix

Author: mateusz-sterczewski

cycode/cli/files_collector/commit_range_documents.py

@@ -23,6 +23,7 @@
 
 COMMIT_RANGE_ALL = '--all'
 
+
 def get_safe_head_reference_for_diff(repo: 'Repo') -> str:
     """Get a safe reference to use for diffing against the current HEAD.
     In repositories with no commits, HEAD doesn't exist, so we return the empty tree hash.