only perform migrate_config parsing if it is a list
only perform migrate_config parsing if it is a list

pre-commit/pre-commit,pre-commit/pre-commit,pre-commit/pre-commit,pre-commit/pre-commit,pre-commit/pre-commit,pre-commit/pre-commit,pre-commit/pre-commit,pre-commit/pre-commit,pre-commit/pre-commit,pre-commit/pre-commit,pre-commit/pre-commit