diff --git a/mlsauce/booster/_booster_classifier.py b/mlsauce/booster/_booster_classifier.py
index 4ff337b..bcef4fc 100644
--- a/mlsauce/booster/_booster_classifier.py
+++ b/mlsauce/booster/_booster_classifier.py
@@ -2,7 +2,6 @@
     from . import _boosterc as boosterc
 except ImportError:
     import pyximport
-
     pyximport.install()
     import _boosterc as boosterc
 import numpy as np
diff --git a/mlsauce/lasso/_lasso.py b/mlsauce/lasso/_lasso.py
index 6834635..f2cc877 100644
--- a/mlsauce/lasso/_lasso.py
+++ b/mlsauce/lasso/_lasso.py
@@ -9,7 +9,6 @@
     from . import _lassoc as mo
 except ImportError:
     import pyximport
-
     pyximport.install()
     import _lassoc as mo
 from ..utils import get_beta
diff --git a/mlsauce/ridge/_ridge.py b/mlsauce/ridge/_ridge.py
index 26e4728..0dd571d 100644
--- a/mlsauce/ridge/_ridge.py
+++ b/mlsauce/ridge/_ridge.py
@@ -8,7 +8,6 @@
     from . import _ridgec as mo
 except ImportError:
     import pyximport
-
     pyximport.install()
     import _ridgec as mo
 from ..utils import get_beta
diff --git a/mlsauce/stump/_stump_classifier.py b/mlsauce/stump/_stump_classifier.py
index 88050c6..e2d6882 100644
--- a/mlsauce/stump/_stump_classifier.py
+++ b/mlsauce/stump/_stump_classifier.py
@@ -5,7 +5,6 @@
     from . import _stumpc as stumpc
 except ImportError:
     import pyximport
-
     pyximport.install()
     import _stumpc as stumpc