From 1c8b980985294dc9906bc6dd5db364a704e80002 Mon Sep 17 00:00:00 2001
From: Christian Decker <decker.christian@gmail.com>
Date: Mon, 21 Jan 2019 18:28:33 +0100
Subject: [PATCH] pylightning: Handle empty log lines correctly

Logging an empty line (without newline character) would raise an
Exception due to out of bounds check.

Signed-off-by: Christian Decker <decker.christian@gmail.com>
---
 contrib/pylightning/lightning/plugin.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/contrib/pylightning/lightning/plugin.py b/contrib/pylightning/lightning/plugin.py
index b6448b649..848c7663e 100644
--- a/contrib/pylightning/lightning/plugin.py
+++ b/contrib/pylightning/lightning/plugin.py
@@ -343,7 +343,7 @@ class PluginStream(object):
     def write(self, payload):
         self.buff += payload
 
-        if payload[-1] == '\n':
+        if len(payload) > 0 and payload[-1] == '\n':
             self.flush()
 
     def flush(self):