Fix.

Author: ameya98

src/e3tools/__init__.py

@@ -2,4 +2,4 @@
 from ._radius import radius, radius_graph
 from ._pack_unpack import pack_irreps, unpack_irreps
 
-__all__ = ["scatter", "radius", "radius_graph"]
+__all__ = ["scatter", "radius", "radius_graph", "pack_irreps", "unpack_irreps"]