From 28e43c6370d0702a6b4005e1fbd12b06cb34a3bc Mon Sep 17 00:00:00 2001
From: Mattia Mancini <mancini@astron.nl>
Date: Fri, 30 Nov 2018 09:51:50 +0000
Subject: [PATCH] OSB-34: fix in case of None

---
 LCU/Maintenance/DBInterface/monitoringdb/views/rtsm_views.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/LCU/Maintenance/DBInterface/monitoringdb/views/rtsm_views.py b/LCU/Maintenance/DBInterface/monitoringdb/views/rtsm_views.py
index 1bfb15789fa..8591075bc63 100644
--- a/LCU/Maintenance/DBInterface/monitoringdb/views/rtsm_views.py
+++ b/LCU/Maintenance/DBInterface/monitoringdb/views/rtsm_views.py
@@ -49,7 +49,7 @@ class RTSMSummaryPlot(viewsets.ViewSet):
             check_error_summary_plot.delay(pk)
             raise Http404()
 
-        if os.path.exists(uri) and os.path.isfile(uri):
+        if uri and os.path.exists(uri) and os.path.isfile(uri):
                 with open(uri, 'rb') as f_stream:
                     image = f_stream.read()
                 return HttpResponse(image, status=status.HTTP_200_OK, content_type='image/gif')
-- 
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