style: format exchange import regression test

tests/apps/exchange/test_api.py

@@ -569,9 +569,7 @@ class ExchangePackageApiTest(APITestCase):
 
     def test_upload_preserves_long_public_procurement_name(self):
         payload = build_exchange_payload()
-        long_purchase_name = (
-            "Поставка специализированного оборудования " * 16
-        ).strip()
+        long_purchase_name = ("Поставка специализированного оборудования " * 16).strip()
         payload["public_procurements"][0]["purchase_name"] = long_purchase_name
         archive = build_exchange_archive(
             package_id="pkg-long-public-procurement-name",
@@ -588,9 +586,7 @@ class ExchangePackageApiTest(APITestCase):
         self.assertGreater(len(long_purchase_name), 500)
         self.assertEqual(response.status_code, status.HTTP_201_CREATED)
         self.assertEqual(
-            PublicProcurement.objects.get(
-                purchase_number="purchase-001"
-            ).purchase_name,
+            PublicProcurement.objects.get(purchase_number="purchase-001").purchase_name,
             long_purchase_name,
         )
         self.assertIsInstance(