Revert "For now inline the implementation until it can be linked. Ref #1673."

This reverts commit 3bcefda0a5e397e12a6122fd8004cbbbce6a2b15.

1 files changed, 1 insertions, 0 deletions

diff --git a/setup.py b/setup.py
index 720db37c..c84fa01f 100755
--- a/setup.py
+++ b/setup.py
@@ -63,6 +63,7 @@ params = dict(
         'portend>=2.1.1',
         'more_itertools',
         'zc.lockfile',
+        'jaraco.collections',
     ],
     extras_require={
         'docs': [