Update README.md

README.md

@@ -9,7 +9,7 @@ language:
 
 This is a preprocessed version of the [ModelNet40](https://modelnet.cs.princeton.edu/) dataset, created with:
 
-```
+```python
 import torch_geometric
 from torch_geometric.datasets import ModelNet
 from torch_geometric.transforms import Compose, SamplePoints, KNNGraph