Sandbox run src/main.py

src/main.py

@@ -1,35 +1,36 @@
-from PIL import Image
 import torch
 import torch.nn as nn
 import torch.optim as optim
-from torchvision import datasets, transforms
 from torch.utils.data import DataLoader
+from torchvision import datasets, transforms
 
 # Step 1: Load MNIST Data and Preprocess
 # The MNIST dataset is loaded and preprocessed by transforming the images to tensors and normalizing them.
-transform = transforms.Compose([
-    transforms.ToTensor(),
-    transforms.Normalize((0.5,), (0.5,))
-])
+transform = transforms.Compose(
+    [transforms.ToTensor(), transforms.Normalize((0.5,), (0.5,))]
+)
 
-trainset = datasets.MNIST('.', download=True, train=True, transform=transform)
+trainset = datasets.MNIST(".", download=True, train=True, transform=transform)
 # Step 2: Define the PyTorch Model
 trainloader = DataLoader(trainset, batch_size=64, shuffle=True)
+
+
 # 'trainloader' variable added back into the code to load the training data for the model
 class Net(nn.Module):
     def __init__(self):
         super().__init__()
         self.fc1 = nn.Linear(28 * 28, 128)
         self.fc2 = nn.Linear(128, 64)
         self.fc3 = nn.Linear(64, 10)
-    
+
     def forward(self, x):
         x = x.view(-1, 28 * 28)
         x = nn.functional.relu(self.fc1(x))
         x = nn.functional.relu(self.fc2(x))
         x = self.fc3(x)
         return nn.functional.log_softmax(x, dim=1)
 
+
 # Step 3: Train the Model
 model = Net()
 optimizer = optim.SGD(model.parameters(), lr=0.01)
@@ -38,12 +39,12 @@ def forward(self, x):
 # Training loop
 epochs = 3
 for _ in range(epochs):
-# 'epoch' variable removed as it is not used within the loop body
+    # 'epoch' variable removed as it is not used within the loop body
     for images, labels in trainloader:
         optimizer.zero_grad()
         output = model(images)
         loss = criterion(output, labels)
         loss.backward()
         optimizer.step()
 
-torch.save(model.state_dict(), "mnist_model.pth")
+torch.save(model.state_dict(), "mnist_model.pth")