Import steps to release_builders.py + cosmetic.

Author: gkistanova

buildbot/osuosl/master/config/release_builders.py

@@ -1,6 +1,6 @@
 from importlib import reload
 
-from buildbot.plugins import util
+from buildbot.plugins import util, steps
 
 from zorg.buildbot.builders import ClangBuilder
 from zorg.buildbot.builders import FlangBuilder
@@ -113,7 +113,7 @@
                         'libunwind',
                         'libcxx',
                         'libcxxabi',
-                        'lld', 
+                        'lld',
                     ],
                     vs="autodetect",
                     clean=True,
@@ -175,7 +175,7 @@
                         'libunwind',
                         'libcxx',
                         'libcxxabi',
-                        'lld', 
+                        'lld',
                     ],
                     vs = "autodetect",
                     clean = True,