Fix code style in PyTorch QuickStart (#4821)
* fix two issues * fix two issues
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					 1 changed files with 3 additions and 2 deletions
				
			
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			@ -26,6 +26,7 @@ pip install jep==3.9.0
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```python
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from bigdl.orca import init_orca_context, stop_orca_context
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cluster_mode = "local"
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if cluster_mode == "local":  # For local machine
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    init_orca_context(cores=4, memory="10g")
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elif cluster_mode == "k8s":  # For K8s cluster
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			@ -59,7 +60,7 @@ class LeNet(nn.Module):
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        self.conv2 = nn.Conv2d(20, 50, 5, 1)
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        self.fc1 = nn.Linear(4*4*50, 500)
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        self.fc2 = nn.Linear(500, 10)
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    def forward(self, x):
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        x = F.relu(self.conv1(x))
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        x = F.max_pool2d(x, 2, 2)
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			@ -69,7 +70,7 @@ class LeNet(nn.Module):
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        x = F.relu(self.fc1(x))
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        x = self.fc2(x)
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        return F.log_softmax(x, dim=1)
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model = LeNet()
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model.train()
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criterion = nn.NLLLoss()
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