fix linting

Author: Christian Jorgensen

src/skmatter/decomposition/_pcovc.py

@@ -340,7 +340,7 @@ def fit(self, X, Y, W=None):
                 W = self.z_classifier_.coef_.T
 
         Z = X @ W
-        
+
         if self.space_ == "feature":
             self._fit_feature_space(X, Y, Z)
         else:
@@ -527,4 +527,3 @@ def score(self, X, y, sample_weight=None):
 
     # Inherit the docstring from scikit-learn
     score.__doc__ = LinearClassifierMixin.score.__doc__
-