Expose LazyUDF

Author: lshaw8317

src/blosc2/__init__.py

@@ -438,6 +438,7 @@ def _raise(exc):
     lazyudf,
     lazyexpr,
     LazyArray,
+    LazyUDF,
     _open_lazyarray,
     get_expr_operands,
     validate_expr,
@@ -613,6 +614,7 @@ def _raise(exc):
     "Filter",
     "LazyArray",
     "LazyExpr",
+    "LazyUDF",
     "NDArray",
     "NDField",
     "Operand",