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edx-platform
Commit 26aa085d by Don Mitchell
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Handle edge case when trying to aggregate progress in an empty sequence

parent 4a41ce80
Showing with 1 additions and 1 deletions
common/lib/xmodule/xmodule/seq_module.py
...@@ -59,7 +59,7 @@ class SequenceModule(SequenceFields, XModule): ...@@ -59,7 +59,7 @@ class SequenceModule(SequenceFields, XModule):
# TODO: Cache progress or children array? # TODO: Cache progress or children array?
children = self.get_children() children = self.get_children()
progresses = [child.get_progress() for child in children] progresses = [child.get_progress() for child in children]
progress = reduce(Progress.add_counts, progresses) progress = reduce(Progress.add_counts, progresses, None)
return progress return progress
def handle_ajax(self, dispatch, data): # TODO: bounds checking def handle_ajax(self, dispatch, data): # TODO: bounds checking
......
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