Problem with NamedTemporaryFile on Windows

[brogrammeur]

On Windows it seems that NamedTemporaryFile is having a problem when using the new index feature -> Nothing is written to the temporary file before it is deleted.

When I add the "delete=False" in the arguments (ex. tempfile.NamedTemporaryFile(mode='w+b', delete=False)), it works correctly.

It is probably related to what is discussed in that post, even if I not in a subprocess ... : https://stackoverflow.com/questions/15169101/how-to-create-a-temporary-file-that-can-be-read-by-a-subprocess

[brogrammeur]

Would it be a good idea to replace the temporary files used for serialization and deserialization with pickle?

In save method:
self.serialized_document_index = pickle.dumps(self.document_index)

In load method:
top2vec_model.document_index = pickle.loads(top2vec_model.serialized_document_index)