assert_paths_exist: make throw_error optional

1 files changed, 3 insertions, 1 deletions

diff --git a/gn3/fs_helpers.py b/gn3/fs_helpers.py
index 6b0a00a..74e7ada 100644
--- a/gn3/fs_helpers.py
+++ b/gn3/fs_helpers.py
@@ -1,4 +1,5 @@
 """Procedures that operate on files/ directories"""
+import errno
 import hashlib
 import json
 import os
@@ -9,9 +10,10 @@ import tarfile
 from functools import partial
 from typing import Dict
 from typing import List
+from typing import ValuesView
 from werkzeug.utils import secure_filename
 
-def assert_paths_exist(paths: ValuesView) -> bool:
+def assert_paths_exist(paths: ValuesView, throw_error: bool = True) -> bool:
     """Given a list of PATHS, throw error if any of them do not exist."""
     for path in paths:
         if not os.path.isfile(path):