fix: linting

Author: lachlangrose

LoopStructural/modelling/features/fold/__init__.py

@@ -1,6 +1,5 @@
 """ """
 
-from ._fold import FoldEvent
 from ._svariogram import SVariogram
 from ._fold_rotation_angle_feature import FoldRotationAngleFeature
 from ._foldframe import FoldFrame