Remove unnecessary imports (#56)

* Remove unnecessary imports

tutorials/lava/lib/dl/slayer/pilotnet/utils.py

@@ -1,4 +1,4 @@
-# Copyright © 2021 Intel Corporation.
+# Copyright © 2022 Intel Corporation.
 # 
 # This software and the related documents are Intel copyrighted
 # materials, and your use of them is governed by the express 
@@ -17,8 +17,6 @@
 import h5py
 
 import torch
-from torch.utils.data import DataLoader
-from torchvision import transforms
 import torch.nn.functional as F
 
 class Assistant:
@@ -123,4 +121,4 @@ def compare_ops(net, counts, mse):
     print(f'MSE            : {mse:.5} sq. radians')
     print(f'Total neurons  : {total_neurons}')
     print(f'Events sparsity: {total_ann_activs/total_events:5.2f}x')
-    print(f'Synops sparsity: {total_ann_synops/total_synops:5.2f}x')
+    print(f'Synops sparsity: {total_ann_synops/total_synops:5.2f}x')