[FEATURE] Add PLVQ model

prototorch/models/__init__.py

@@ -4,22 +4,11 @@ from importlib.metadata import PackageNotFoundError, version
 
 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 .knn import KNN
 from .lvq import LVQ1, LVQ21, MedianLVQ
-from .probabilistic import CELVQ, RSLVQ, SLVQ
+from .probabilistic import CELVQ, PLVQ, RSLVQ, SLVQ
 from .unsupervised import GrowingNeuralGas, HeskesSOM, KohonenSOM, NeuralGas
 from .vis import *