From ef34efa93fb0621a408427459ef6e9dd7e40961b Mon Sep 17 00:00:00 2001
From: Douglas Schilling Landgraf <dougsland@gmail.com>
Date: Thu, 1 Mar 2018 22:29:10 -0500
Subject: [PATCH] pylightning: label is required for waitinvoice()

This patch make sure label don't have default value.
---
 contrib/pylightning/lightning/lightning.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/contrib/pylightning/lightning/lightning.py b/contrib/pylightning/lightning/lightning.py
index 694077860..49df328b9 100644
--- a/contrib/pylightning/lightning/lightning.py
+++ b/contrib/pylightning/lightning/lightning.py
@@ -193,7 +193,7 @@ class LightningRpc(UnixDomainSocketRpc):
         }
         return self.call("waitanyinvoice", payload)
 
-    def waitinvoice(self, label=None):
+    def waitinvoice(self, label):
         """
         Wait for an incoming payment matching the invoice with {label}
         """