From c970195b937bfac70b304817790767eefd518986 Mon Sep 17 00:00:00 2001
From: Sebastian Falbesoner <sebastian.falbesoner@gmail.com>
Date: Mon, 23 Aug 2021 00:45:20 +0200
Subject: [PATCH] pytest: remove only_one() duplicate

The function is already provided in
contrib/pyln-testing/pyln/testing/utils.py (which is also
imported in this module), so there is no need to define it
a second time.
---
 tests/test_pay.py | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/tests/test_pay.py b/tests/test_pay.py
index 9dd91cc17..41ce0a60b 100644
--- a/tests/test_pay.py
+++ b/tests/test_pay.py
@@ -520,10 +520,6 @@ def test_sendpay(node_factory):
         invoices = dst.rpc.listinvoices(label)['invoices']
         return len(invoices) == 1 and invoices[0]['status'] == 'unpaid'
 
-    def only_one(arr):
-        assert len(arr) == 1
-        return arr[0]
-
     routestep = {
         'msatoshi': amt,
         'id': l2.info['id'],