[BUGFIX] Early stopping example works now

prototorch/models/__init__.py

@@ -2,22 +2,10 @@
 
 from importlib.metadata import PackageNotFoundError, version
 
-from .callbacks import (EarlyStopWithoutVal, PrototypeConvergence,
-                        PruneLoserPrototypes)
+from .callbacks import PrototypeConvergence, PruneLoserPrototypes
 from .cbc import CBC, ImageCBC
-from .glvq import (
-    GLVQ,
-    GLVQ1,
-    GLVQ21,
-    GMLVQ,
-    GRLVQ,
-    LGMLVQ,
-    LVQMLN,
-    ImageGLVQ,
-    ImageGMLVQ,
-    SiameseGLVQ,
-    SiameseGMLVQ,
-)
+from .glvq import (GLVQ, GLVQ1, GLVQ21, GMLVQ, GRLVQ, LGMLVQ, LVQMLN,
+                   ImageGLVQ, ImageGMLVQ, SiameseGLVQ, SiameseGMLVQ)
 from .lvq import LVQ1, LVQ21, MedianLVQ
 from .probabilistic import CELVQ, RSLVQ, LikelihoodRatioLVQ
 from .unsupervised import KNN, NeuralGas