Fix usage of timedelta.total_seconds() in condensediffs.

Review Request #6304 — Created Sept. 8, 2014 and submitted — Latest diff uploaded

Information

Review Board
release-2.0.x
15187c5...

Reviewers

The total_seconds() method doesn't exist in Python 2.6, so we can't use it
yet. This change replaces it with the equivalent implementation (and moves us
over to using true division throughout this file as a side effect).

Condensed some diffs.