DOC: Fix ci for column_standardize (again)

bluss · bluss · commit 05264678e7b0 · 2021-04-08T08:56:22.000+02:00
diff --git a/examples/column_standardize.rs b/examples/column_standardize.rs
@@ -1,3 +1,4 @@
+#[cfg(feature = "std")]
 use ndarray::prelude::*;
 
 #[cfg(feature = "std")]
