Not required fields in FilterSchema

[horizon365]

Please describe what you are trying to achieve:
in FilterSchema, is it possible to use the params 'exclude_none' ?

Please include code examples (like models code, schemes code, view function) to help understand the issue

class Filters(FilterSchema):
    limit: int = 100
    offset: int = None
    query: str = None
    category__in: List[str] = Field(None, alias="categories")


@route.get("/filter")
def events(request, filters: Query[Filters]):
    print(filters.filter)
    return {"filters": filters.dict()}

the print output is

<FilterSchema.filter of Filters(limit=100, offset=None, query=None, category__in=None)>

while the filters.dict does't have the none value , the filters.filter is still have the none value.
And my question is there any possible to use 'exclude_none' in request body?