Ticket #12939 (closed Bug: wontfix)
python_dateutils needs to be pinned to 1.5
|Reported by:||tonim||Owned by:||smcmahon|
"If you need dateutil for Python 2.X, please continue using the 1.X series."
You have already pinned it correctly in 4.1 and 4.2. Please also pin it for 4.0.