Ping RetiSpec

Hi @xhlulu Sorry that I wasn't clear enough. I meant that I would like to remove the "Totals" column and row in the pivot table.  And also, I would...

Hi @sydney-runkle, here's a MRE data model: ```python @dataclass_json @dataclass class DataModel: timestamp: datetime.datetime = field(metadata=config(encoder=custom_encoder, decoder=custom_datetime_with_timezone_decoder)) @field_serializer('timestamp') def serialize_dt_with_tz(self, dt: datetime, _info): return custom_encoder(dt) @field_validator('timestamp', mode='before') @classmethod def dt_validator(cls,...

I also want to add to the comments that I only see this behavior when I work with pydantic v2.7.1. I am not getting this error on v2.6.4.