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-rw-r--r--apt/utils.py2
1 files changed, 2 insertions, 0 deletions
diff --git a/apt/utils.py b/apt/utils.py
index 80ba6d65..f4d34261 100644
--- a/apt/utils.py
+++ b/apt/utils.py
@@ -33,6 +33,8 @@ def get_maintenance_end_date(release_date, m_months):
support_end_year = (release_date.year + years +
(release_date.month + months)/12)
support_end_month = (release_date.month + months) % 12
+ if support_end_month == 0:
+ support_end_month = 12
return (support_end_year, support_end_month)