From e9bc2ad97817f6c28aad0eef01adeb07ec74eefb Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Diego=20Elio=20Petten=C3=B2?= <flameeyes@flameeyes.com>
Date: Sat, 21 Sep 2019 20:46:11 +0100
Subject: freestyle: fix return type for empty log.

() is not a valid Iterator[List[Text]]
---
 glucometerutils/support/freestyle.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/glucometerutils/support/freestyle.py b/glucometerutils/support/freestyle.py
index 5b441ff..c7dbdb9 100644
--- a/glucometerutils/support/freestyle.py
+++ b/glucometerutils/support/freestyle.py
@@ -277,7 +277,7 @@ class FreeStyleHidDevice(hiddevice.HidDevice):
         message = self._send_text_command(command)
         logging.debug('Received multirecord message:\n%s', message)
         if message == "Log Empty\r\n":
-            return ()
+            return iter(())
 
         match = _MULTIRECORDS_FORMAT.search(message)
         if not match:
-- 
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