Upload model.py

model.py

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+import torchvision
+
+from torch import nn
+
+
+def create_effnetb2_model(num_classes: int):
+    weights = torchvision.models.EfficientNet_B2_Weights.DEFAULT
+    transforms = weights.transforms()
+    model = torchvision.models.efficientnet_b2(weights=weights)
+
+    # Freeze base model
+    for param in model.parameters():
+        param.requires_grad = False
+
+    # Change classifier head
+    model.classifier = nn.Sequential(
+        nn.Dropout(p=0.3, inplace=True),
+        nn.Linear(in_features=1408, out_features=num_classes),
+    )
+    return model, transforms