We recommend Python 3.6 or higher, PyTorch 1.6.0 or higher and transformers v4.6.0 or higher. The code does not work with Python 2.7. 
Install SentenceTransformers
Install with pip
Install the sentence-transformers with pip:
pip install -U sentence-transformers
Install from sources
Alternatively, you can also clone the latest version from the repository and install it directly from the source code:
pip install -e . 
Install PyTorch with CUDA-Support
If you want to use a GPU / CUDA, you must install PyTorch with the matching CUDA Version. Follow
PyTorch - Get Started for further details how to install PyTorch.
