diff --git a/src/jsonchain/__init__.py b/src/jsonchain/__init__.py
index 99f1914..4ef7885 100644
--- a/src/jsonchain/__init__.py
+++ b/src/jsonchain/__init__.py
@@ -12,4 +12,5 @@
     extract_keys,
     trim_branches,
     retrieve_leaves
-)
\ No newline at end of file
+)
+import tables
\ No newline at end of file