Update import paths for COSEM models

README.md

@@ -35,7 +35,7 @@ import cellmap_models
 Different models are available in the `cellmap-models` module. For example, to use the models produced by the `COSEM` pilot project team, and published as part of [Whole-cell organelle segmentation in volume electron microscopy](https://doi.org/10.1038/s41586-021-03977-3):
 
 ```python
-import cellmap_models.cosem as cosem_models
+import cellmap_models.pytorch.cosem as cosem_models
 print(cosem_models.models_list)
 ```
 This will list the available models. To load a specific model, use the `load_model` function: