Lint bisect-related modules; obey pylint.

scripts/slave/recipe_modules/auto_bisect/bisector.py

 # Copyright 2015 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 re
 
 from . import bisect_results
 from . import depot_config
 
 _DEPS_SHA_PATCH = """
@@ skipping 335 matching lines @@
     return True
 
   def get_exception(self):
     raise NotImplementedError()  # pragma: no cover
     # TODO: should return an exception with the details of the failure.
 
   def _set_insufficient_confidence_warning(
       self, actual_confidence):  # pragma: no cover
     """Adds a warning about the lack of initial regression confidence."""
     self.failed_confidence = True
-    self.warnings.append(('Bisect failed to reproduce the regression with '
-                          'enough confidence. Needed {:.2f}%, got {:.2f}%.'
-                          ).format(self.required_regression_confidence,
-                                   actual_confidence))
+    self.warnings.append(
+        ('Bisect failed to reproduce the regression with enough confidence. '
+         'Needed {:.2f}%, got {:.2f}%.').format(
+             self.required_regression_confidence, actual_confidence))
 
   def _compute_results_confidence(self):
     self.results_confidence = self.api.m.math_utils.confidence_score(
         self.lkgr.values, self.fkbr.values)
 
   def print_result(self):
     results = bisect_results.BisectResults(self).as_string()
     self.api.m.step('Results', ['cat'],
                     stdin=self.api.m.raw_io.input(data=results))
 
@@ skipping 110 matching lines @@
     # TODO: Actually check the current platform
     return 'linux_perf_tester'
 
   def get_builder_bot_for_this_platform(self):
     # TODO: Actually look at the current platform.
     return 'linux_perf_bisect_builder'
 
   def get_platform_gs_prefix(self):
     # TODO: Actually check the current platform
     return 'gs://chrome-perf/Linux Builder/full-build-linux_'
-