bug 1358601 - flake8 fix a=bustage

MozReview-Commit-ID: F63DV9onTqM

--HG--
extra : rebase_source : 6dae9b663b49a00e792fdeefddd921bfa0ec2288

taskcluster/taskgraph/transforms/signing.py

@@ -109,7 +109,8 @@ def make_task_description(config, jobs):
         # This code wasn't originally written with the possibility of using different
         # signing cert scopes for different platforms on the same branch. This isn't
         # ideal, but it's what we currently have to make this possible.
-        if dep_job.attributes.get('build_platform') in set(['linux64-devedition-nightly', 'linux-devedition-nightly']):
+        if dep_job.attributes.get('build_platform') in set(
+          ['linux64-devedition-nightly', 'linux-devedition-nightly']):
             signing_cert_scope = get_devedition_signing_cert_scope(config)
         else:
             signing_cert_scope = get_signing_cert_scope(config)