From 037b461c39144ecd3f07677b0193275bcab1d488 Mon Sep 17 00:00:00 2001
From: David Wilson <dw@botanicus.net>
Date: Tue, 20 Mar 2018 02:08:48 +0545
Subject: [PATCH] issue #156: yet more logging :(

---
 mitogen/core.py | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/mitogen/core.py b/mitogen/core.py
index 94274d13..3e168438 100644
--- a/mitogen/core.py
+++ b/mitogen/core.py
@@ -966,8 +966,12 @@ class Latch(object):
 
             assert _tls.rsock in rfds
             assert _tls.rsock.recv(1) == '\x7f'
-            _vv and IOLOG.debug('%r.get() wake -> %r', self, self.queue[0])
-            return self.queue.pop(0)
+            try:
+                _vv and IOLOG.debug('%r.get() wake -> %r', self, self.queue[0])
+                return self.queue.pop(0)
+            except IndexError:
+                IOLOG.exception('%r.get() INDEX ERROR', self)
+                raise
         finally:
             self.lock.release()