From 65cb7cfde651ceeb2607027d6168b8693209f55c Mon Sep 17 00:00:00 2001
From: Stuart Longland <me@vk4msl.com>
Date: Sat, 10 Jun 2023 11:03:42 +1000
Subject: [PATCH] mqtt.protocol.handler: Use `exc_info` to emit exception not
 `%s`

The former emits the stack trace, which greatly helps in identifying
_WHERE_ an exception is raised, not just WHAT the exception is.
---
 amqtt/mqtt/protocol/handler.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/amqtt/mqtt/protocol/handler.py b/amqtt/mqtt/protocol/handler.py
index bb6d4133..eb9875c1 100644
--- a/amqtt/mqtt/protocol/handler.py
+++ b/amqtt/mqtt/protocol/handler.py
@@ -530,8 +530,8 @@ async def _send_packet(self, packet):
             await self.handle_connection_closed()
         except asyncio.CancelledError:
             raise
-        except Exception as e:
-            self.logger.warning("Unhandled exception: %s" % e)
+        except:
+            self.logger.warning("Unhandled exception", exc_info=True)
             raise
 
     async def mqtt_deliver_next_message(self):