From e1c1a9d6a2bb2020329040a72666ff42346e3678 Mon Sep 17 00:00:00 2001
From: SomberNight <somber.night@protonmail.com>
Date: Sat, 25 May 2019 05:20:21 +0200
Subject: [PATCH] interface: add comment

---
 electrum/interface.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/electrum/interface.py b/electrum/interface.py
index 3200b6f56..1dfb5c670 100644
--- a/electrum/interface.py
+++ b/electrum/interface.py
@@ -107,6 +107,8 @@ class NotificationSession(RPCSession):
         msg_id = next(self._msg_counter)
         self.maybe_log(f"<-- {args} {kwargs} (id: {msg_id})")
         try:
+            # note: RPCSession.send_request raises TaskTimeout in case of a timeout.
+            # TaskTimeout is a subclass of CancelledError, which is *suppressed* in TaskGroups
             response = await asyncio.wait_for(
                 super().send_request(*args, **kwargs),
                 timeout)