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adaptive-learning / flocs

Intelligent application for learning computer science.
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Fix error in computing time delta between last 2 instances of student #168

Closed effa closed 8 years ago

effa commented 8 years ago

Error is raised in in practice/services/practice_service.py, line 300, in _get_last_solved_delta, when the last instances does not have set time_end (and the error is propagated to the top level).

For details, see the following error report: https://groups.google.com/forum/?utm_source=digest&utm_medium=email#!topic/adaptive-programming-errors/XIGKak2L9kU