Raise error if file is missing rather than returning a Union value.

1 files changed, 2 insertions, 4 deletions

diff --git a/qc_app/files.py b/qc_app/files.py
index baac5ec..b163612 100644
--- a/qc_app/files.py
+++ b/qc_app/files.py
@@ -1,17 +1,15 @@
 """Utilities to deal with uploaded files."""
 import hashlib
 from pathlib import Path
-from typing import Union
 from datetime import datetime
 from flask import current_app
 
 from werkzeug.utils import secure_filename
 from werkzeug.datastructures import FileStorage
 
-def save_file(fileobj: FileStorage, upload_dir: Path) -> Union[Path, bool]:
+def save_file(fileobj: FileStorage, upload_dir: Path) -> Path:
     """Save the uploaded file and return the path."""
-    if not bool(fileobj):
-        return False
+    assert bool(fileobj), "Invalid file object!"
     hashed_name = hashlib.sha512(
         f"{fileobj.filename}::{datetime.now().isoformat()}".encode("utf8")
     ).hexdigest()