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-rw-r--r--cachetools/keys.py4
1 files changed, 4 insertions, 0 deletions
diff --git a/cachetools/keys.py b/cachetools/keys.py
index 887fb30..ba1e2fc 100644
--- a/cachetools/keys.py
+++ b/cachetools/keys.py
@@ -1,3 +1,7 @@
+"""Key functions for memoizing decorators."""
+
+from __future__ import absolute_import
+
__all__ = ('hashkey', 'typedkey')