collective/icalendar — pull request #89 by leo-naeka (2013-02-18 12:43:26+00:00)
Title: tzinfo support from dateutil parsed datetimes

In #77, @warvariuc reported an issue with dateutil's parsed datetimes.
A fix from @thet, `tzinfo_from_dt`, checking tzinfo values came in 7430b66 closing this issue.

Unfortunately, in a801a13, @thet re-introduced the old code that breaks with non-utc datetimes.