From ef2ec1e1c59f5c32192517a8bcca428a1749ceaf Mon Sep 17 00:00:00 2001
From: Jakob Ketterl <jakob.ketterl@gmx.de>
Date: Sat, 8 Aug 2020 20:43:29 +0200
Subject: [PATCH] catch exception on closed inputs

---
 csdr/csdr.py | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/csdr/csdr.py b/csdr/csdr.py
index 52e369f..6e25ac8 100644
--- a/csdr/csdr.py
+++ b/csdr/csdr.py
@@ -54,7 +54,11 @@ class output(object):
         def copy():
             run = True
             while run:
-                data = read()
+                data = None
+                try:
+                    data = read()
+                except ValueError:
+                    pass
                 if data is None or (isinstance(data, bytes) and len(data) == 0):
                     run = False
                 else: