Expose __import__() function.
diff --git a/py/builtinimport.c b/py/builtinimport.c
index 35e7dcb..a5deed3 100644
--- a/py/builtinimport.c
+++ b/py/builtinimport.c
@@ -95,3 +95,4 @@
 
     return module_obj;
 }
+MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(mp_builtin___import___obj, 1, 5, mp_builtin___import__);