Fix return type declaration for the function. HEAD main

1 files changed, 1 insertions, 1 deletions

diff --git a/uploader/background_jobs.py b/uploader/background_jobs.py
index 6b14d02..61e57f7 100644
--- a/uploader/background_jobs.py
+++ b/uploader/background_jobs.py
@@ -126,7 +126,7 @@ def job_error(job_id: uuid.UUID):
             return render_template("jobs/job-not-found.html", job_id=job_id)
 
 
-def make_datetime_formatter(dtformat: str = "") -> str:
+def make_datetime_formatter(dtformat: str = "") -> Callable[[str], str]:
     """Make a datetime formatter with the provided `dtformat`"""
     def __formatter__(val: str) -> str:
         dt = datetime.datetime.fromisoformat(val)