Almost final descriptive stats (#3463)

* fix tasks

* final statistics

* remove persiantexttone, was renamed to SynPerTextToneClassification

* remove duplicated tasks statistics

* fix category

* run test on all tasks

* remove `image/text: None`

* try to fix none in batch

* add vdr statistics

Author: Samoed

mteb/_create_dataloaders.py

@@ -277,6 +277,8 @@ def _custom_collate_fn(batch: list[dict[str, Any]]) -> dict[str, Any]:
             # Leave the images as a list to avoid stacking errors.
             collated[key] = [item[key] for item in batch]
         else:
+            if any(item[key] is None for item in batch):
+                raise ValueError(f"Found None in batch for key '{key}'")
             collated[key] = default_collate([item[key] for item in batch])
     return collated