--- a/setup.py	Mon Apr 09 12:23:48 2018 -0700
+++ b/setup.py	Mon Apr 09 12:27:52 2018 -0700
@@ -812,6 +812,8 @@
             'mercurial.thirdparty.attr',
             'mercurial.thirdparty.cbor',
             'mercurial.thirdparty.cbor.cbor2',
+            'mercurial.thirdparty.concurrent',
+            'mercurial.thirdparty.concurrent.futures',
             'mercurial.thirdparty.zope',
             'mercurial.thirdparty.zope.interface',
             'mercurial.utils',