diff --git a/src/linear/logistic_regression.rs b/src/linear/logistic_regression.rs
index cd67cc7..5801869 100644
--- a/src/linear/logistic_regression.rs
+++ b/src/linear/logistic_regression.rs
@@ -264,7 +264,7 @@ impl<T: FloatExt, M: Matrix<T>> LogisticRegression<T, M> {
 #[cfg(test)]
 mod tests {
     use super::*;
-    use crate::linalg::naive::dense_matrix::*;    
+    use crate::linalg::naive::dense_matrix::*;
     use ndarray::{arr1, arr2, Array1};
 
     #[test]