In dashboard/dispatcher.py, create the WSGIApplication with debug=False.

dashboard/dashboard/dispatcher.py

Index: dashboard/dashboard/dispatcher.py
diff --git a/dashboard/dashboard/dispatcher.py b/dashboard/dashboard/dispatcher.py
index 2376cc33c631233f0cedc7c5977d817db12feb0a..f38d3623b6b28be68851b65a1b090c35c16a8f43 100644
--- a/dashboard/dashboard/dispatcher.py
+++ b/dashboard/dashboard/dispatcher.py
@@ -2,7 +2,7 @@
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
-"""Dispatches requests to the correct python class."""
+"""Dispatches requests to request handler classes."""
 
 import webapp2
 
@@ -55,59 +55,61 @@ from dashboard import update_bug_with_results
 from dashboard import update_test_suites
 
 
-app = webapp2.WSGIApplication(
-    [('/add_point', add_point.AddPointHandler),
-     ('/add_point_queue', add_point_queue.AddPointQueueHandler),
-     ('/alerts', alerts.AlertsHandler),
-     ('/associate_alerts', associate_alerts.AssociateAlertsHandler),
-     ('/auto_bisect', auto_bisect.AutoBisectHandler),
-     ('/auto_triage', auto_triage.AutoTriageHandler),
-     ('/bisect_stats', bisect_stats.BisectStatsHandler),
-     ('/bisect_fyi', bisect_fyi.BisectFYIHandler),
-     ('/bot_whitelist', bot_whitelist.BotWhitelistHandler),
-     (r'/buildbucket_job_status/(\d+)',
-      buildbucket_job_status.BuildbucketJobStatusHandler),
-     ('/change_internal_only', change_internal_only.ChangeInternalOnlyHandler),
-     ('/debug_alert', debug_alert.DebugAlertHandler),
-     ('/delete_expired_entities', layered_cache.DeleteExpiredEntitiesHandler),
-     ('/dump_graph_json', dump_graph_json.DumpGraphJsonHandler),
-     ('/edit_anomalies', edit_anomalies.EditAnomaliesHandler),
-     ('/edit_anomaly_configs', edit_anomaly_configs.EditAnomalyConfigsHandler),
-     ('/edit_bug_labels', edit_bug_labels.EditBugLabelsHandler),
-     ('/edit_sheriffs', edit_sheriffs.EditSheriffsHandler),
-     ('/edit_site_config', edit_site_config.EditSiteConfigHandler),
-     ('/edit_test_owners', edit_test_owners.EditTestOwnersHandler),
-     ('/email_summary', email_summary.EmailSummaryHandler),
-     ('/embed', embed.EmbedHandler),
-     ('/file_bug', file_bug.FileBugHandler),
-     ('/get_logs', get_logs.GetLogsHandler),
-     ('/graph_csv', graph_csv.GraphCsvHandler),
-     ('/graph_json', graph_json.GraphJsonHandler),
-     ('/graph_revisions', graph_revisions.GraphRevisionsHandler),
-     ('/group_report', group_report.GroupReportHandler),
-     ('/list_monitored_tests', list_monitored_tests.ListMonitoredTestsHandler),
-     ('/list_tests', list_tests.ListTestsHandler),
-     ('/load_from_prod', load_from_prod.LoadFromProdHandler),
-     ('/', main.MainHandler),
-     ('/migrate_test_names', migrate_test_names.MigrateTestNamesHandler),
-     ('/mr_deprecate_tests', mr.MRDeprecateTestsHandler),
-     ('/new_points', new_points.NewPointsHandler),
-     ('/put_entities_task', put_entities_task.PutEntitiesTaskHandler),
-     ('/report', report.ReportHandler),
-     ('/set_warning_message', set_warning_message.SetWarningMessageHandler),
-     ('/short_uri', short_uri.ShortUriHandler),
-     ('/send_stoppage_alert_emails',
-      send_stoppage_alert_emails.SendStoppageAlertEmailsHandler),
-     ('/shrink_timestamp_revisions',
-      shrink_timestamp_revisions.ShrinkTimestampRevisionsHandler),
-     ('/start_try_job', start_try_job.StartBisectHandler),
-     ('/stats_around_revision', stats.StatsAroundRevisionHandler),
-     ('/stats_for_alerts', stats.StatsForAlertsHandler),
-     ('/stats', stats.StatsHandler),
-     ('/test_buildbucket', test_buildbucket.TestBuildbucketHandler),
-     ('/update_bug_with_results',
-      update_bug_with_results.UpdateBugWithResultsHandler),
-     ('/update_test_suites', update_test_suites.UpdateTestSuitesHandler),
-     (oauth2_decorator.decorator.callback_path,
-      oauth2_decorator.decorator.callback_handler())], debug=True)
+_URL_MAPPING = [
+    ('/add_point', add_point.AddPointHandler),
+    ('/add_point_queue', add_point_queue.AddPointQueueHandler),
+    ('/alerts', alerts.AlertsHandler),
+    ('/associate_alerts', associate_alerts.AssociateAlertsHandler),
+    ('/auto_bisect', auto_bisect.AutoBisectHandler),
+    ('/auto_triage', auto_triage.AutoTriageHandler),
+    ('/bisect_fyi', bisect_fyi.BisectFYIHandler),
+    ('/bisect_stats', bisect_stats.BisectStatsHandler),
+    ('/bot_whitelist', bot_whitelist.BotWhitelistHandler),
+    (r'/buildbucket_job_status/(\d+)',
+     buildbucket_job_status.BuildbucketJobStatusHandler),
+    ('/change_internal_only', change_internal_only.ChangeInternalOnlyHandler),
+    ('/debug_alert', debug_alert.DebugAlertHandler),
+    ('/delete_expired_entities', layered_cache.DeleteExpiredEntitiesHandler),
+    ('/dump_graph_json', dump_graph_json.DumpGraphJsonHandler),
+    ('/edit_anomalies', edit_anomalies.EditAnomaliesHandler),
+    ('/edit_anomaly_configs', edit_anomaly_configs.EditAnomalyConfigsHandler),
+    ('/edit_bug_labels', edit_bug_labels.EditBugLabelsHandler),
+    ('/edit_sheriffs', edit_sheriffs.EditSheriffsHandler),
+    ('/edit_site_config', edit_site_config.EditSiteConfigHandler),
+    ('/edit_test_owners', edit_test_owners.EditTestOwnersHandler),
+    ('/email_summary', email_summary.EmailSummaryHandler),
+    ('/embed', embed.EmbedHandler),
+    ('/file_bug', file_bug.FileBugHandler),
+    ('/get_logs', get_logs.GetLogsHandler),
+    ('/graph_csv', graph_csv.GraphCsvHandler),
+    ('/graph_json', graph_json.GraphJsonHandler),
+    ('/graph_revisions', graph_revisions.GraphRevisionsHandler),
+    ('/group_report', group_report.GroupReportHandler),
+    ('/list_monitored_tests', list_monitored_tests.ListMonitoredTestsHandler),
+    ('/list_tests', list_tests.ListTestsHandler),
+    ('/load_from_prod', load_from_prod.LoadFromProdHandler),
+    ('/', main.MainHandler),
+    ('/migrate_test_names', migrate_test_names.MigrateTestNamesHandler),
+    ('/mr_deprecate_tests', mr.MRDeprecateTestsHandler),
+    ('/new_points', new_points.NewPointsHandler),
+    ('/put_entities_task', put_entities_task.PutEntitiesTaskHandler),
+    ('/report', report.ReportHandler),
+    ('/send_stoppage_alert_emails',
+     send_stoppage_alert_emails.SendStoppageAlertEmailsHandler),
+    ('/set_warning_message', set_warning_message.SetWarningMessageHandler),
+    ('/short_uri', short_uri.ShortUriHandler),
+    ('/shrink_timestamp_revisions',
+     shrink_timestamp_revisions.ShrinkTimestampRevisionsHandler),
+    ('/start_try_job', start_try_job.StartBisectHandler),
+    ('/stats_around_revision', stats.StatsAroundRevisionHandler),
+    ('/stats_for_alerts', stats.StatsForAlertsHandler),
+    ('/stats', stats.StatsHandler),
+    ('/test_buildbucket', test_buildbucket.TestBuildbucketHandler),
+    ('/update_bug_with_results',
+     update_bug_with_results.UpdateBugWithResultsHandler),
+    ('/update_test_suites', update_test_suites.UpdateTestSuitesHandler),
+    (oauth2_decorator.decorator.callback_path,
+     oauth2_decorator.decorator.callback_handler())
+]
 
+app = webapp2.WSGIApplication(_URL_MAPPING, debug=False)