diff --git a/VERSION b/VERSION
index ee1372d33..717903969 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-0.2.2
+0.2.3
diff --git a/skfda/datasets/_real_datasets.py b/skfda/datasets/_real_datasets.py
index c39a34ae9..9de5fb9d8 100644
--- a/skfda/datasets/_real_datasets.py
+++ b/skfda/datasets/_real_datasets.py
@@ -3,7 +3,6 @@
 
 from .. import FDataGrid
 import warnings
-from Cython.Build.Dependencies import package
 
 
 def fdata_constructor(obj, attrs):