diff --git a/intprim/basis/__init__.py b/intprim/basis/__init__.py
index 1762e43..a466ab7 100644
--- a/intprim/basis/__init__.py
+++ b/intprim/basis/__init__.py
@@ -1,3 +1,4 @@
+from intprim.basis.basis_model import *
 from intprim.basis.gaussian_model import *
 from intprim.basis.mixture_model import *
 from intprim.basis.polynomial_model import *