remove unused imports
diff --git a/erpnext/buying/doctype/supplier/test_supplier.py b/erpnext/buying/doctype/supplier/test_supplier.py
index c52b9a0..e54cc3a 100644
--- a/erpnext/buying/doctype/supplier/test_supplier.py
+++ b/erpnext/buying/doctype/supplier/test_supplier.py
@@ -7,7 +7,6 @@
from erpnext.accounts.party import get_due_date
from erpnext.exceptions import PartyDisabled
from frappe.test_runner import make_test_records
-from frappe.utils import add_days, add_months, get_last_day
test_dependencies = ['Payment Term', 'Payment Terms Template']
test_records = frappe.get_test_records('Supplier')