[Predator] Run predator.

appengine/findit/crash/findit.py

 # Copyright 2016 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import copy
 import logging
 
 from google.appengine.ext import ndb
 
 from common import appengine_util
@@ skipping 238 matching lines @@
     Args:
       model (CrashAnalysis): The model containing the stack_trace string
         to be parsed.
 
     Returns:
       On success, returns a Stacktrace object; on failure, returns None.
     """
     stacktrace = self._stacktrace_parser.Parse(
         model.stack_trace,
         chrome_dependency_fetcher.ChromeDependencyFetcher(
-            self._repository
-            ).GetDependency(
+            self._repository).GetDependency(
                 model.crashed_version,
                 model.platform),
         model.signature)
     if not stacktrace:
       logging.warning('Failed to parse the stacktrace %s', model.stack_trace)
       return None
 
     return stacktrace
 
   # TODO(wrengr): This is only called by ``CrashAnalysisPipeline.run``;
   # we should be able to adjust things so that we only need to take in
   # ``crash_identifiers``, or a CrashReport, rather than taking in the
   # whole model. And/or, we should just inline this there.
   # TODO(http://crbug.com/659346): coverage tests for this class, not
   # just for FinditForFracas.
   def FindCulprit(self, model): # pragma: no cover
     """Given a CrashAnalysis ndb.Model, return a Culprit."""
     stacktrace = self.ParseStacktrace(model)
     if stacktrace is None:
       return None
 
     return self._predator.FindCulprit(CrashReport(
         crashed_version = model.crashed_version,
         signature = model.signature,
         platform = model.platform,
         stacktrace = stacktrace,
         regression_range = model.regression_range))