From 038373f96e67c76b67636e962eec11fe5d7fe018 Mon Sep 17 00:00:00 2001
From: Anthony Sottile <asottile@umich.edu>
Date: Mon, 4 May 2020 12:28:30 -0700
Subject: [PATCH] raise error when EOF is hit

---
 bot.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/bot.py b/bot.py
index 4c3d8d0..12cd490 100644
--- a/bot.py
+++ b/bot.py
@@ -66,6 +66,8 @@ async def recv(
         quiet: bool = False,
 ) -> bytes:
     data = await reader.readline()
+    if not data:
+        raise SystemExit('unexpected EOF')
     if not quiet:
         sys.stderr.buffer.write(b'> ')
         sys.stderr.buffer.write(data)