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Report: data
[csit.git]
/
resources
/
tools
/
presentation
/
utils.py
diff --git
a/resources/tools/presentation/utils.py
b/resources/tools/presentation/utils.py
index
2fbf70c
..
0e72a06
100644
(file)
--- a/
resources/tools/presentation/utils.py
+++ b/
resources/tools/presentation/utils.py
@@
-36,7
+36,10
@@
def mean(items):
:rtype: float
"""
- return float(sum(items)) / len(items)
+ if len(items):
+ return float(sum(items)) / len(items)
+ else:
+ return None
def stdev(items):