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-rw-r--r--wqflask/base/data_set.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/wqflask/base/data_set.py b/wqflask/base/data_set.py
index 1042e1bd..0ea61faa 100644
--- a/wqflask/base/data_set.py
+++ b/wqflask/base/data_set.py
@@ -403,7 +403,7 @@ class DatasetGroup:
try:
f = open(study_sample_file)
except:
- return None
+ return []
study_samples = json.load(f)
return study_samples