From 506c4f900b8b5398993406cfc4d020d3ade765c8 Mon Sep 17 00:00:00 2001
From: Dzhoshkun Ismail Shakir <dzhoshkun.shakir@gmail.com>
Date: Tue, 13 Nov 2018 13:49:30 +0000
Subject: [PATCH] Issue #18: stereo frame checker fails if no frame has been
 received

---
 src/tests/utils.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/tests/utils.py b/src/tests/utils.py
index 4dc02ac5..ae4e70ed 100644
--- a/src/tests/utils.py
+++ b/src/tests/utils.py
@@ -25,6 +25,8 @@ def update(self, frame):
         pass  # TODO
 
     def __bool__(self):
+        if not self.stereo_frames_consistencies:
+            return False
         for consistency in self.stereo_frames_consistencies:
             if not consistency:
                 return False