Making keyvalue more robust to failures (#613)

Related-Issue: #613 Projected-Results-Impact: none
varfish-org · Aug 24, 2022 · 6848306 · 6848306
1 parent e1bf4bf
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diff --git a/HISTORY.rst b/HISTORY.rst
@@ -73,6 +73,7 @@ Full Change List
 - Bugfix broken SV filter (#587).
 - Fixed bug where Exac and thousand genomes settings were not shown in frequency tab for GRCh37 (#597).
 - Form template reports error if genomebuild variable is not set (#607).
+- Making ``keyvalue`` more robust to failure (#613).
 
 ------
 v1.2.0

diff --git a/templatetags/templatetags/dict.py b/templatetags/templatetags/dict.py
@@ -5,7 +5,9 @@
 
 @register.filter
 def keyvalue(data, key):
-    if hasattr(data, "get"):
+    if data is None:
+        return None
+    elif hasattr(data, "get"):
         return data.get(key)
     else:
         return data[key]