Support for != operator on numerical fields

[Dannyscholz]

Current version is lacking support for the != on numerical fields.

[tharropoulos]

The Python client isn't responsible for that. The filter string will be passed as normal to the Typesense Server API.
This means that any string being passed to the filter_by parameter will be valid as far as the client is concerned. You can try it out with a newer version of Typesense to verify that it is the case