The following revision refers to this bug:
  https://chromium.googlesource.com/infra/infra/+/c5c29de1cc02a3b73ff22e081c61894556d1e887

commit c5c29de1cc02a3b73ff22e081c61894556d1e887
Author: Brandon Wylie <wylieb@chromium.org>
Date: Thu Sep 14 18:52:42 2017

[Findit] Flake Analyzer - Add retries per build to config.

Bug:757910
Change-Id: I06fb1a4c38ba525fba4eacabb26e33af99ac1813
Reviewed-on: https://chromium-review.googlesource.com/664080
Reviewed-by: Shuotao Gao <stgao@chromium.org>
Reviewed-by: Jeffrey Li <lijeffrey@chromium.org>
Commit-Queue: Brandon Wylie <wylieb@chromium.org>

[modify] https://crrev.com/c5c29de1cc02a3b73ff22e081c61894556d1e887/appengine/findit/handlers/test/config_test.py
[modify] https://crrev.com/c5c29de1cc02a3b73ff22e081c61894556d1e887/appengine/findit/handlers/config.py
[modify] https://crrev.com/c5c29de1cc02a3b73ff22e081c61894556d1e887/appengine/findit/waterfall/test/waterfall_config_test.py
[modify] https://crrev.com/c5c29de1cc02a3b73ff22e081c61894556d1e887/appengine/findit/waterfall/test/wf_testcase.py
[modify] https://crrev.com/c5c29de1cc02a3b73ff22e081c61894556d1e887/appengine/findit/model/wf_config.py
[modify] https://crrev.com/c5c29de1cc02a3b73ff22e081c61894556d1e887/appengine/findit/waterfall/flake/determine_true_pass_rate_pipeline.py

Seems this is fixed, would you mind closing out if so?