Apply isort and black reformatting

Signed-off-by: WoodieDudy <WoodieDudy@users.noreply.github.com>

nemo/collections/asr/parts/submodules/multi_head_attention.py

@@ -154,7 +154,7 @@ def forward(self, query, key, value, mask, pos_emb=None, cache=None):
 
                 dropout_rate = self.dropout_rate if self.training else 0
                 out = torch.nn.functional.scaled_dot_product_attention(q, k, v, attn_mask=mask, dropout_p=dropout_rate)
-                
+
                 # this IF block can be deleted when https://github.com/pytorch/pytorch/pull/131863 is in the stable version
                 if mask is not None:
                     all_masked_rows = torch.all(~mask, dim=-1)
@@ -301,7 +301,7 @@ def forward(self, query, key, value, mask, pos_emb, cache=None):
                     all_masked_rows.unsqueeze_(-1)
                     all_masked_rows = all_masked_rows.expand(-1, out.size(1), -1, out.size(-1))
                     out = out.masked_fill(all_masked_rows, 0.0)
-                
+
                 out = out.transpose(1, 2).reshape(n_batch, -1, self.h * self.d_k)  # (batch, time1, d_model)
                 out = self.linear_out(out)  # (batch, time1, d_model)
             else: