No module named 'torch'

This error typically occurs when the PyTorch library is not installed or not imported correctly in your Python environment.

To resolve this error, you can try the following steps:

1. Install PyTorch using pip or conda:
- If you have pip installed, run `pip install torch` in your terminal
- If you have conda installed, run `conda install pytorch` in your terminal

2. Import the PyTorch library in your Python script or Jupyter notebook using the following code:

    import torch

3. If you are using a virtual environment, ensure that you have activated the environment before installing or importing PyTorch.

4. If you are still encountering the error after trying the above steps, you may need to check if there are any conflicting libraries or dependencies in your Python environment that may be causing the issue.