Update

vicinity/__init__.py

@@ -1,8 +1,8 @@
 """Small vector store."""
 
 from vicinity.datatypes import Backend
-from vicinity.utils import normalize
+from vicinity.utils import Metric, normalize
 from vicinity.version import __version__
 from vicinity.vicinity import Vicinity
 
-__all__ = ["Backend", "Vicinity", "normalize", "__version__"]
+__all__ = ["Backend", "Metric", "Vicinity", "normalize", "__version__"]