[QA] Add more pre commit checks

tests/test_components.py

@@ -1,8 +1,9 @@
 """ProtoTorch components test suite."""
 
-import prototorch as pt
 import torch
 
+import prototorch as pt
+
 
 def test_labcomps_zeros_init():
     protos = torch.zeros(3, 2)

tests/test_functions.py

@@ -4,6 +4,7 @@ import unittest
 
 import numpy as np
 import torch
+
 from prototorch.functions import (activations, competitions, distances,
                                   initializers, losses, pooling)