fix: typeerror in get_batches_by_oldest for mixed batch expiry

sort on (expiry is none, expiry) so a null expiry_date is never
order-compared against a datetime.date, which raised typeerror in
python 3 when a warehouse held both dated and never-expiring batches.

(cherry picked from commit 62c9f8ee3e)
This commit is contained in:
pandiyan
2026-07-23 17:43:57 +05:30
committed by Mergify
parent ef21a9ba9b
commit bbe7580c9d

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@@ -296,7 +296,7 @@ def get_batches_by_oldest(item_code, warehouse):
"""Returns the oldest batch and qty for the given item_code and warehouse"""
batches = get_batch_qty(item_code=item_code, warehouse=warehouse)
batches_dates = [[batch, frappe.get_value("Batch", batch.batch_no, "expiry_date")] for batch in batches]
batches_dates.sort(key=lambda tup: tup[1])
batches_dates.sort(key=lambda tup: (tup[1] is None, tup[1]))
return batches_dates